102012020122121 has 8 divisors (see below), whose sum is σ = 102750352071360. Its totient is φ = 101273751494928.

The previous prime is 102012020122093. The next prime is 102012020122163. The reversal of 102012020122121 is 121221020210201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102012020122121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102012020122121.

It is not an unprimeable number, because it can be changed into a prime (102012020122321) 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, 12594461 + ... + 19043226.

It is an arithmetic number, because the mean of its divisors is an integer number (12843794008920).

Almost surely, 2^{102012020122121} is an apocalyptic number.

It is an amenable number.

102012020122121 is a deficient number, since it is larger than the sum of its proper divisors (738331949239).

102012020122121 is a wasteful number, since it uses less digits than its factorization.

102012020122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31661023.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102012020122121 its reverse (121221020210201), we get a palindrome (223233040332322).

The spelling of 102012020122121 in words is "one hundred two trillion, twelve billion, twenty million, one hundred twenty-two thousand, one hundred twenty-one".