102002101122 has 64 divisors (see below), whose sum is σ = 215610278400. Its totient is φ = 32081132160.

The previous prime is 102002101087. The next prime is 102002101189. The reversal of 102002101122 is 221101200201.

It is a junction number, because it is equal to n+sod(n) for n = 102002101098 and 102002101107.

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, 34331097 + ... + 34334067.

It is an arithmetic number, because the mean of its divisors is an integer number (3368910600).

Almost surely, 2^102002101122 is an apocalyptic number.

102002101122 is an abundant number, since it is smaller than the sum of its proper divisors (113608177278).

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

102002101122 is a wasteful number, since it uses less digits than its factorization.

102002101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4111.

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

Adding to 102002101122 its reverse (221101200201), we get a palindrome (323103301323).

The spelling of 102002101122 in words is "one hundred two billion, two million, one hundred one thousand, one hundred twenty-two".