102143052034021 has 32 divisors (see below), whose sum is σ = 104088665808000. Its totient is φ = 100213940026368.

The previous prime is 102143052033991. The next prime is 102143052034069. The reversal of 102143052034021 is 120430250341201.

It is a cyclic number.

It is not a de Polignac number, because 102143052034021 - 2²¹ = 102143049936869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102143052038021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25997211585 + ... + 25997215513.

It is an arithmetic number, because the mean of its divisors is an integer number (3252770806500).

Almost surely, 2^{102143052034021} is an apocalyptic number.

It is an amenable number.

102143052034021 is a deficient number, since it is larger than the sum of its proper divisors (1945613773979).

102143052034021 is a wasteful number, since it uses less digits than its factorization.

102143052034021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6613.

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 102143052034021 in words is "one hundred two trillion, one hundred forty-three billion, fifty-two million, thirty-four thousand, twenty-one".