21122032026 has 32 divisors (see below), whose sum is σ = 42794726400. Its totient is φ = 6948966960.

The previous prime is 21122031989. The next prime is 21122032027. The reversal of 21122032026 is 62023022112.

It is a super-2 number, since 2×21122032026² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21122031993 and 21122032011.

It is not an unprimeable number, because it can be changed into a prime (21122032027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1591245 + ... + 1604463.

It is an arithmetic number, because the mean of its divisors is an integer number (1337335200).

Almost surely, 2^21122032026 is an apocalyptic number.

21122032026 is an abundant number, since it is smaller than the sum of its proper divisors (21672694374).

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

21122032026 is a wasteful number, since it uses less digits than its factorization.

21122032026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16674.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21122032026 its reverse (62023022112), we get a palindrome (83145054138).

The spelling of 21122032026 in words is "twenty-one billion, one hundred twenty-two million, thirty-two thousand, twenty-six".