102121102092 has 48 divisors (see below), whose sum is σ = 241206481152. Its totient is φ = 33622847040.

The previous prime is 102121102073. The next prime is 102121102103. The reversal of 102121102092 is 290201121201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6283617 + ... + 6299847.

It is an arithmetic number, because the mean of its divisors is an integer number (5025135024).

Almost surely, 2^102121102092 is an apocalyptic number.

102121102092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102121102092 is an abundant number, since it is smaller than the sum of its proper divisors (139085379060).

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

102121102092 is a wasteful number, since it uses less digits than its factorization.

102121102092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22638 (or 22636 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 102121102092 its reverse (290201121201), we get a palindrome (392322223293).

The spelling of 102121102092 in words is "one hundred two billion, one hundred twenty-one million, one hundred two thousand, ninety-two".