222221222120110 has 16 divisors (see below), whose sum is σ = 399998377657296. Its totient is φ = 88888449327808.

The previous prime is 222221222120071. The next prime is 222221222120111. The reversal of 222221222120110 is 11021222122222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222221222120111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31420914 + ... + 37838026.

It is an arithmetic number, because the mean of its divisors is an integer number (24999898603581).

Almost surely, 2^{222221222120110} is an apocalyptic number.

222221222120110 is a deficient number, since it is larger than the sum of its proper divisors (177777155537186).

222221222120110 is a wasteful number, since it uses less digits than its factorization.

222221222120110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9880067.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222221222120110 its reverse (11021222122222), we get a palindrome (233242444242332).

The spelling of 222221222120110 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred twenty thousand, one hundred ten".