22101011002120 has 32 divisors (see below), whose sum is σ = 49728296923200. Its totient is φ = 8840222682048.

The previous prime is 22101011002097. The next prime is 22101011002177. The reversal of 22101011002120 is 2120011010122.

It is a self number, because there is not a number n which added to its sum of digits gives 22101011002120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3699924 + ... + 7608643.

It is an arithmetic number, because the mean of its divisors is an integer number (1554009278850).

Almost surely, 2^{22101011002120} is an apocalyptic number.

22101011002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101011002120 is an abundant number, since it is smaller than the sum of its proper divisors (27627285921080).

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

22101011002120 is a wasteful number, since it uses less digits than its factorization.

22101011002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11357437 (or 11357433 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22101011002120 its reverse (2120011010122), we get a palindrome (24221022012242).

The spelling of 22101011002120 in words is "twenty-two trillion, one hundred one billion, eleven million, two thousand, one hundred twenty".