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10101022101 = 324579372621
BaseRepresentation
bin10010110100001000…
…10101110110010101
3222001221212002101200
421122010111312111
5131141330201401
64350151543113
7505212162012
oct113204256625
928057762350
1010101022101
114313844455
121b5a98aa99
13c4c8cb271
146bb73c709
153e1bb5686
hex25a115d95

10101022101 has 24 divisors (see below), whose sum is σ = 14643481944. Its totient is φ = 6709547520.

The previous prime is 10101022097. The next prime is 10101022111. The reversal of 10101022101 is 10122010101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2291058225 + 7809963876 = 47865^2 + 88374^2 .

It is not a de Polignac number, because 10101022101 - 22 = 10101022097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101022111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3852571 + ... + 3855191.

It is an arithmetic number, because the mean of its divisors is an integer number (610145081).

Almost surely, 210101022101 is an apocalyptic number.

It is an amenable number.

10101022101 is a deficient number, since it is larger than the sum of its proper divisors (4542459843).

10101022101 is a wasteful number, since it uses less digits than its factorization.

10101022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4021 (or 4018 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10101022101 its reverse (10122010101), we get a palindrome (20223032202).

The spelling of 10101022101 in words is "ten billion, one hundred one million, twenty-two thousand, one hundred one".

Divisors: 1 3 9 457 937 1371 2621 2811 4113 7863 8433 23589 428209 1197797 1284627 2455877 3593391 3853881 7367631 10780173 22102893 1122335789 3367007367 10101022101