22101221201210 has 32 divisors (see below), whose sum is σ = 39823249181760. Its totient is φ = 8831368562688.

The previous prime is 22101221201209. The next prime is 22101221201237. The reversal of 22101221201210 is 1210212210122.

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, 71366081 + ... + 71675099.

It is an arithmetic number, because the mean of its divisors is an integer number (1244476536930).

Almost surely, 2^{22101221201210} is an apocalyptic number.

22101221201210 is a deficient number, since it is larger than the sum of its proper divisors (17722027980550).

22101221201210 is a wasteful number, since it uses less digits than its factorization.

22101221201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316382.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22101221201210 its reverse (1210212210122), we get a palindrome (23311433411332).

The spelling of 22101221201210 in words is "twenty-two trillion, one hundred one billion, two hundred twenty-one million, two hundred one thousand, two hundred ten".