102120022220022 has 80 divisors (see below), whose sum is σ = 236225589646464. Its totient is φ = 32939200800000.

The previous prime is 102120022219993. The next prime is 102120022220057. The reversal of 102120022220022 is 220022220021201.

102120022220022 is a `hidden beast` number, since 1 + 0 + 21 + 200 + 222 + 200 + 22 = 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 = 102120022219977 and 102120022220004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 59931022 + ... + 61611422.

Almost surely, 2^{102120022220022} is an apocalyptic number.

102120022220022 is an abundant number, since it is smaller than the sum of its proper divisors (134105567426442).

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

102120022220022 is a wasteful number, since it uses less digits than its factorization.

102120022220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692547 (or 1692538 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 102120022220022 its reverse (220022220021201), we get a palindrome (322142242241223).

The spelling of 102120022220022 in words is "one hundred two trillion, one hundred twenty billion, twenty-two million, two hundred twenty thousand, twenty-two".