222101111022210 has 192 divisors, whose sum is σ = 684505120276224. Its totient is φ = 48904865856000.

The previous prime is 222101111022209. The next prime is 222101111022223. The reversal of 222101111022210 is 12220111101222.

222101111022210 is a `hidden beast` number, since 22 + 210 + 111 + 102 + 221 + 0 = 666.

It is a super-2 number, since 2×222101111022210² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 44814736 + ... + 49523355.

It is an arithmetic number, because the mean of its divisors is an integer number (3565130834772).

Almost surely, 2^{222101111022210} is an apocalyptic number.

222101111022210 is an abundant number, since it is smaller than the sum of its proper divisors (462404009254014).

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

222101111022210 is a wasteful number, since it uses less digits than its factorization.

222101111022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94338249 (or 94338246 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222101111022210 its reverse (12220111101222), we get a palindrome (234321222123432).

The spelling of 222101111022210 in words is "two hundred twenty-two trillion, one hundred one billion, one hundred eleven million, twenty-two thousand, two hundred ten".