222102111211210 has 32 divisors (see below), whose sum is σ = 421783652188800. Its totient is φ = 83973290690880.

The previous prime is 222102111211157. The next prime is 222102111211217. The reversal of 222102111211210 is 12112111201222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (222102111211217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1331304381 + ... + 1331471200.

It is an arithmetic number, because the mean of its divisors is an integer number (13180739130900).

Almost surely, 2^{222102111211210} is an apocalyptic number.

222102111211210 is a deficient number, since it is larger than the sum of its proper divisors (199681540977590).

222102111211210 is a wasteful number, since it uses less digits than its factorization.

222102111211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662776046.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 222102111211210 its reverse (12112111201222), we get a palindrome (234214222412432).

The spelling of 222102111211210 in words is "two hundred twenty-two trillion, one hundred two billion, one hundred eleven million, two hundred eleven thousand, two hundred ten".