102121424121201 has 4 divisors (see below), whose sum is σ = 136161898828272. Its totient is φ = 68080949414132.

The previous prime is 102121424121187. The next prime is 102121424121203.

102121424121201 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102121424121201 - 2²⁷ = 102121289903473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102121424121203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17020237353531 + ... + 17020237353536.

It is an arithmetic number, because the mean of its divisors is an integer number (34040474707068).

Almost surely, 2^{102121424121201} is an apocalyptic number.

It is an amenable number.

102121424121201 is a deficient number, since it is larger than the sum of its proper divisors (34040474707071).

102121424121201 is an equidigital number, since it uses as much as digits as its factorization.

102121424121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34040474707070.

The product of its (nonzero) digits is 512, while the sum is 24.

The spelling of 102121424121201 in words is "one hundred two trillion, one hundred twenty-one billion, four hundred twenty-four million, one hundred twenty-one thousand, two hundred one".