101221100232 has 64 divisors (see below), whose sum is σ = 304424371200. Its totient is φ = 27398191680.

The previous prime is 101221100221. The next prime is 101221100303. The reversal of 101221100232 is 232001122101.

It is a super-2 number, since 2×101221100232² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15852244 + ... + 15858627.

It is an arithmetic number, because the mean of its divisors is an integer number (4756630800).

Almost surely, 2^101221100232 is an apocalyptic number.

101221100232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101221100232 is an abundant number, since it is smaller than the sum of its proper divisors (203203270968).

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

101221100232 is a wasteful number, since it uses less digits than its factorization.

101221100232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31710906 (or 31710902 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 101221100232 its reverse (232001122101), we get a palindrome (333222222333).

The spelling of 101221100232 in words is "one hundred one billion, two hundred twenty-one million, one hundred thousand, two hundred thirty-two".