102220122112200 has 120 divisors (see below), whose sum is σ = 355025627873730. Its totient is φ = 27258699225600.

The previous prime is 102220122112151. The next prime is 102220122112219. The reversal of 102220122112200 is 2211221022201.

It is a happy number.

102220122112200 is a `hidden beast` number, since 1 + 0 + 2 + 220 + 1 + 221 + 1 + 220 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 39032980579044 + 63187141533156 = 6247638^2 + 7949034^2 .

It is a tau number, because it is divible by the number of its divisors (120).

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

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 29 ways as a sum of consecutive naturals, for example, 3154925841 + ... + 3154958240.

Almost surely, 2^{102220122112200} is an apocalyptic number.

102220122112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102220122112200 is an abundant number, since it is smaller than the sum of its proper divisors (252805505761530).

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

102220122112200 is a wasteful number, since it uses less digits than its factorization.

102220122112200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6309884109 (or 6309884091 counting only the distinct ones).

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

Adding to 102220122112200 its reverse (2211221022201), we get a palindrome (104431343134401).

The spelling of 102220122112200 in words is "one hundred two trillion, two hundred twenty billion, one hundred twenty-two million, one hundred twelve thousand, two hundred".