21101142024204 has 48 divisors (see below), whose sum is σ = 53765871833856. Its totient is φ = 6387871896000.

The previous prime is 21101142024191. The next prime is 21101142024223. The reversal of 21101142024204 is 40242024110112.

It is a happy 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, 80037472 + ... + 80300679.

It is an arithmetic number, because the mean of its divisors is an integer number (1120122329872).

Almost surely, 2^{21101142024204} is an apocalyptic number.

It is an amenable number.

21101142024204 is an abundant number, since it is smaller than the sum of its proper divisors (32664729809652).

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

21101142024204 is a wasteful number, since it uses less digits than its factorization.

21101142024204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160339166 (or 160339164 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 21101142024204 its reverse (40242024110112), we get a palindrome (61343166134316).

The spelling of 21101142024204 in words is "twenty-one trillion, one hundred one billion, one hundred forty-two million, twenty-four thousand, two hundred four".