222012111202210 has 48 divisors (see below), whose sum is σ = 465150151832184. Its totient is φ = 76071939111168.

The previous prime is 222012111202183. The next prime is 222012111202283. The reversal of 222012111202210 is 12202111210222.

It can be written as a sum of positive squares in 4 ways, for example, as 106683262480081 + 115328848722129 = 10328759^2 + 10739127^2 .

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 137586979 + ... + 139191238.

Almost surely, 2^{222012111202210} is an apocalyptic number.

222012111202210 is an abundant number, since it is smaller than the sum of its proper divisors (243138040629974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222012111202210 is a wasteful number, since it uses less digits than its factorization.

222012111202210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276779875 (or 276779868 counting only the distinct ones).

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

Adding to 222012111202210 its reverse (12202111210222), we get a palindrome (234214222412432).

The spelling of 222012111202210 in words is "two hundred twenty-two trillion, twelve billion, one hundred eleven million, two hundred two thousand, two hundred ten".