102222201210120 has 96 divisors (see below), whose sum is σ = 332236718026200. Its totient is φ = 27258058653696.

The previous prime is 102222201210109. The next prime is 102222201210121. The reversal of 102222201210120 is 21012102222201.

It is a happy number.

102222201210120 is a `hidden beast` number, since 1 + 0 + 222 + 220 + 1 + 210 + 12 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 90228987223236 + 11993213986884 = 9498894^2 + 3463122^2 .

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 = 102222201210093 and 102222201210102.

It is not an unprimeable number, because it can be changed into a prime (102222201210121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2014536 + ... + 14439624.

Almost surely, 2^{102222201210120} is an apocalyptic number.

102222201210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102222201210120 is an abundant number, since it is smaller than the sum of its proper divisors (230014516816080).

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

102222201210120 is a wasteful number, since it uses less digits than its factorization.

102222201210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12447959 (or 12447952 counting only the distinct ones).

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

Adding to 102222201210120 its reverse (21012102222201), we get a palindrome (123234303432321).

The spelling of 102222201210120 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred one million, two hundred ten thousand, one hundred twenty".