21110033203122 has 128 divisors (see below), whose sum is σ = 44015696524800. Its totient is φ = 6741471744000.

The previous prime is 21110033203097. The next prime is 21110033203159. The reversal of 21110033203122 is 22130233001112.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12895560088 + ... + 12895561724.

It is an arithmetic number, because the mean of its divisors is an integer number (343872629100).

Almost surely, 2^{21110033203122} is an apocalyptic number.

21110033203122 is an abundant number, since it is smaller than the sum of its proper divisors (22905663321678).

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

21110033203122 is a wasteful number, since it uses less digits than its factorization.

21110033203122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21110033203122 its reverse (22130233001112), we get a palindrome (43240266204234).

The spelling of 21110033203122 in words is "twenty-one trillion, one hundred ten billion, thirty-three million, two hundred three thousand, one hundred twenty-two".