21010112330022 has 48 divisors (see below), whose sum is σ = 46639925083440. Its totient is φ = 6832844880576.

The previous prime is 21010112330017. The next prime is 21010112330033. The reversal of 21010112330022 is 22003321101012.

21010112330022 is a `hidden beast` number, since 210 + 10 + 1 + 123 + 300 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 21010112329977 and 21010112330004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61346493 + ... + 61688024.

It is an arithmetic number, because the mean of its divisors is an integer number (971665105905).

Almost surely, 2^{21010112330022} is an apocalyptic number.

21010112330022 is an abundant number, since it is smaller than the sum of its proper divisors (25629812753418).

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

21010112330022 is a wasteful number, since it uses less digits than its factorization.

21010112330022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123034757 (or 123034754 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 21010112330022 its reverse (22003321101012), we get a palindrome (43013433431034).

The spelling of 21010112330022 in words is "twenty-one trillion, ten billion, one hundred twelve million, three hundred thirty thousand, twenty-two".