102112022220222 has 64 divisors (see below), whose sum is σ = 247600776927744. Its totient is φ = 27406192665600.

The previous prime is 102112022220203. The next prime is 102112022220289. The reversal of 102112022220222 is 222022220211201.

It is a super-2 number, since 2×102112022220222² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136351279 + ... + 137098122.

It is an arithmetic number, because the mean of its divisors is an integer number (3868762139496).

Almost surely, 2^{102112022220222} is an apocalyptic number.

102112022220222 is an abundant number, since it is smaller than the sum of its proper divisors (145488754707522).

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

102112022220222 is a wasteful number, since it uses less digits than its factorization.

102112022220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273449953.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 102112022220222 its reverse (222022220211201), we get a palindrome (324134242431423).

The spelling of 102112022220222 in words is "one hundred two trillion, one hundred twelve billion, twenty-two million, two hundred twenty thousand, two hundred twenty-two".