22101221101210 has 32 divisors (see below), whose sum is σ = 40147640269632. Its totient is φ = 8759644032000.

The previous prime is 22101221101163. The next prime is 22101221101273. The reversal of 22101221101210 is 1210112210122.

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, 22327144 + ... + 23296003.

It is an arithmetic number, because the mean of its divisors is an integer number (1254613758426).

Almost surely, 2^{22101221101210} is an apocalyptic number.

22101221101210 is a deficient number, since it is larger than the sum of its proper divisors (18046419168422).

22101221101210 is a wasteful number, since it uses less digits than its factorization.

22101221101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45623598.

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

Adding to 22101221101210 its reverse (1210112210122), we get a palindrome (23311333311332).

The spelling of 22101221101210 in words is "twenty-two trillion, one hundred one billion, two hundred twenty-one million, one hundred one thousand, two hundred ten".