21222101032 has 16 divisors (see below), whose sum is σ = 43408843200. Its totient is φ = 9646409520.

The previous prime is 21222101009. The next prime is 21222101041. The reversal of 21222101032 is 23010122212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21222100997 and 21222101015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120580032 + ... + 120580207.

It is an arithmetic number, because the mean of its divisors is an integer number (2713052700).

Almost surely, 2^21222101032 is an apocalyptic number.

21222101032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21222101032 is an abundant number, since it is smaller than the sum of its proper divisors (22186742168).

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

21222101032 is a wasteful number, since it uses less digits than its factorization.

21222101032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241160256 (or 241160252 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21222101032 its reverse (23010122212), we get a palindrome (44232223244).

The spelling of 21222101032 in words is "twenty-one billion, two hundred twenty-two million, one hundred one thousand, thirty-two".