102112022121 has 8 divisors (see below), whose sum is σ = 136553368224. Its totient is φ = 67872678720.

The previous prime is 102112022113. The next prime is 102112022137. The reversal of 102112022121 is 121220211201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102112022121 - 2³ = 102112022113 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102112022121.

It is not an unprimeable number, because it can be changed into a prime (102112022161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50499495 + ... + 50501516.

It is an arithmetic number, because the mean of its divisors is an integer number (17069171028).

Almost surely, 2^102112022121 is an apocalyptic number.

It is an amenable number.

102112022121 is a deficient number, since it is larger than the sum of its proper divisors (34441346103).

102112022121 is a wasteful number, since it uses less digits than its factorization.

102112022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101001351.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102112022121 its reverse (121220211201), we get a palindrome (223332233322).

The spelling of 102112022121 in words is "one hundred two billion, one hundred twelve million, twenty-two thousand, one hundred twenty-one".