22101210121210 has 64 divisors (see below), whose sum is σ = 43551582263424. Its totient is φ = 8008540672000.

The previous prime is 22101210121139. The next prime is 22101210121267. The reversal of 22101210121210 is 1212101210122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42839049 + ... + 43351891.

It is an arithmetic number, because the mean of its divisors is an integer number (680493472866).

Almost surely, 2^{22101210121210} is an apocalyptic number.

22101210121210 is a deficient number, since it is larger than the sum of its proper divisors (21450372142214).

22101210121210 is a wasteful number, since it uses less digits than its factorization.

22101210121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514239.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22101210121210 its reverse (1212101210122), we get a palindrome (23313311331332).

The spelling of 22101210121210 in words is "twenty-two trillion, one hundred one billion, two hundred ten million, one hundred twenty-one thousand, two hundred ten".