102120101022 has 64 divisors (see below), whose sum is σ = 219956166144. Its totient is φ = 31491962880.

The previous prime is 102120100987. The next prime is 102120101051. The reversal of 102120101022 is 220101021201.

It is a junction number, because it is equal to n+sod(n) for n = 102120100989 and 102120101007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2419633 + ... + 2461475.

It is an arithmetic number, because the mean of its divisors is an integer number (3436815096).

Almost surely, 2^102120101022 is an apocalyptic number.

102120101022 is an abundant number, since it is smaller than the sum of its proper divisors (117836065122).

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

102120101022 is a wasteful number, since it uses less digits than its factorization.

102120101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42273.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102120101022 its reverse (220101021201), we get a palindrome (322221122223).

The spelling of 102120101022 in words is "one hundred two billion, one hundred twenty million, one hundred one thousand, twenty-two".