101202221100 has 72 divisors (see below), whose sum is σ = 293978559168. Its totient is φ = 26879720000.

The previous prime is 101202221047. The next prime is 101202221111. The reversal of 101202221100 is 1122202101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 596694 + ... + 747293.

It is an arithmetic number, because the mean of its divisors is an integer number (4083035544).

Almost surely, 2^101202221100 is an apocalyptic number.

101202221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101202221100 is an abundant number, since it is smaller than the sum of its proper divisors (192776338068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101202221100 is a wasteful number, since it uses less digits than its factorization.

101202221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344255 (or 1344248 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101202221100 its reverse (1122202101), we get a palindrome (102324423201).

The spelling of 101202221100 in words is "one hundred one billion, two hundred two million, two hundred twenty-one thousand, one hundred".