102121000022121 has 16 divisors (see below), whose sum is σ = 138405705039360. Its totient is φ = 66958677918720.

The previous prime is 102121000022057. The next prime is 102121000022159. The reversal of 102121000022121 is 121220000121201.

102121000022121 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 102121000022121 - 2⁶ = 102121000022057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102121000022121.

It is not an unprimeable number, because it can be changed into a prime (102121000022161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22555545 + ... + 26701958.

It is an arithmetic number, because the mean of its divisors is an integer number (8650356564960).

Almost surely, 2^{102121000022121} is an apocalyptic number.

It is an amenable number.

102121000022121 is a deficient number, since it is larger than the sum of its proper divisors (36284705017239).

102121000022121 is a wasteful number, since it uses less digits than its factorization.

102121000022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49268896.

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

Adding to 102121000022121 its reverse (121220000121201), we get a palindrome (223341000143322).

The spelling of 102121000022121 in words is "one hundred two trillion, one hundred twenty-one billion, twenty-two thousand, one hundred twenty-one".