222120120211210 has 32 divisors (see below), whose sum is σ = 437869128775680. Its totient is φ = 80623522118208.

The previous prime is 222120120211153. The next prime is 222120120211217. The reversal of 222120120211210 is 12112021021222.

It is a super-2 number, since 2×222120120211210² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222120120211217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14479791562 + ... + 14479806901.

It is an arithmetic number, because the mean of its divisors is an integer number (13683410274240).

Almost surely, 2^{222120120211210} is an apocalyptic number.

222120120211210 is a deficient number, since it is larger than the sum of its proper divisors (215749008564470).

222120120211210 is a wasteful number, since it uses less digits than its factorization.

222120120211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28959598542.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222120120211210 its reverse (12112021021222), we get a palindrome (234232141232432).

The spelling of 222120120211210 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred twenty million, two hundred eleven thousand, two hundred ten".