21120211001022 has 32 divisors (see below), whose sum is σ = 48995286934272. Its totient is φ = 5944281133824.

The previous prime is 21120211001009. The next prime is 21120211001047. The reversal of 21120211001022 is 22010011202112.

It is a super-2 number, since 2×21120211001022² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21120211000992 and 21120211001010.

It is a congruent number.

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, 3752699923 + ... + 3752705550.

It is an arithmetic number, because the mean of its divisors is an integer number (1531102716696).

Almost surely, 2^{21120211001022} is an apocalyptic number.

21120211001022 is an abundant number, since it is smaller than the sum of its proper divisors (27875075933250).

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

21120211001022 is a wasteful number, since it uses less digits than its factorization.

21120211001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7505405552.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 21120211001022 its reverse (22010011202112), we get a palindrome (43130222203134).

The spelling of 21120211001022 in words is "twenty-one trillion, one hundred twenty billion, two hundred eleven million, one thousand, twenty-two".