102222101220120 has 192 divisors, whose sum is σ = 384883215462720. Its totient is φ = 23044982464512.

The previous prime is 102222101220077. The next prime is 102222101220133. The reversal of 102222101220120 is 21022101222201.

It is a happy number.

102222101220120 is a `hidden beast` number, since 1 + 0 + 2 + 222 + 101 + 220 + 120 = 666.

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 = 102222101220093 and 102222101220102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 277653889 + ... + 278021808.

It is an arithmetic number, because the mean of its divisors is an integer number (2004600080535).

Almost surely, 2^{102222101220120} is an apocalyptic number.

102222101220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102222101220120 is an abundant number, since it is smaller than the sum of its proper divisors (282661114242600).

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

102222101220120 is a wasteful number, since it uses less digits than its factorization.

102222101220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555675794 (or 555675787 counting only the distinct ones).

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

Adding to 102222101220120 its reverse (21022101222201), we get a palindrome (123244202442321).

The spelling of 102222101220120 in words is "one hundred two trillion, two hundred twenty-two billion, one hundred one million, two hundred twenty thousand, one hundred twenty".