22011021122004 has 72 divisors (see below), whose sum is σ = 58121232973440. Its totient is φ = 7010369923392.

The previous prime is 22011021121961. The next prime is 22011021122011. The reversal of 22011021122004 is 40022112011022.

22011021122004 is a `hidden beast` number, since 220 + 1 + 10 + 211 + 220 + 0 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13702267 + ... + 15224130.

Almost surely, 2^{22011021122004} is an apocalyptic number.

It is an amenable number.

22011021122004 is an abundant number, since it is smaller than the sum of its proper divisors (36110211851436).

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

22011021122004 is a wasteful number, since it uses less digits than its factorization.

22011021122004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28927349 (or 28927344 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22011021122004 its reverse (40022112011022), we get a palindrome (62033133133026).

The spelling of 22011021122004 in words is "twenty-two trillion, eleven billion, twenty-one million, one hundred twenty-two thousand, four".