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100202021011 = 139720877849
BaseRepresentation
bin101110101010010000…
…0011000000010010011
3100120122020210001222101
41131110200120002103
53120203204133021
6114010541021231
710145046061021
oct1352440300223
9316566701871
10100202021011
113954a479514
1217505554817
1395ab6238c1
144bc7c0b711
152916d42a91
hex1754818093

100202021011 has 4 divisors (see below), whose sum is σ = 100922899000. Its totient is φ = 99481143024.

The previous prime is 100202020969. The next prime is 100202021057. The reversal of 100202021011 is 110120202001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110120202001 = 235746720493.

It is a cyclic number.

It is not a de Polignac number, because 100202021011 - 211 = 100202018963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100202021081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360438786 + ... + 360439063.

It is an arithmetic number, because the mean of its divisors is an integer number (25230724750).

Almost surely, 2100202021011 is an apocalyptic number.

100202021011 is a deficient number, since it is larger than the sum of its proper divisors (720877989).

100202021011 is an equidigital number, since it uses as much as digits as its factorization.

100202021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720877988.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100202021011 its reverse (110120202001), we get a palindrome (210322223012).

The spelling of 100202021011 in words is "one hundred billion, two hundred two million, twenty-one thousand, eleven".

Divisors: 1 139 720877849 100202021011