102210112022220 has 72 divisors (see below), whose sum is σ = 318416727383664. Its totient is φ = 26519380414848.

The previous prime is 102210112022219. The next prime is 102210112022281. The reversal of 102210112022220 is 22220211012201.

It is a happy number.

102210112022220 is a `hidden beast` number, since 10 + 221 + 0 + 11 + 202 + 2 + 220 = 666.

It is a super-3 number, since 3×102210112022220³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a junction number, because it is equal to n+sod(n) for n = 102210112022193 and 102210112022202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7673425174 + ... + 7673438493.

Almost surely, 2^{102210112022220} is an apocalyptic number.

102210112022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102210112022220 is an abundant number, since it is smaller than the sum of its proper divisors (216206615361444).

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

102210112022220 is a wasteful number, since it uses less digits than its factorization.

102210112022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15346863719 (or 15346863714 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102210112022220 its reverse (22220211012201), we get a palindrome (124430323034421).

The spelling of 102210112022220 in words is "one hundred two trillion, two hundred ten billion, one hundred twelve million, twenty-two thousand, two hundred twenty".