102520050145021 has 4 divisors (see below), whose sum is σ = 102520147108000. Its totient is φ = 102519953182044.

The previous prime is 102520050144931. The next prime is 102520050145027. The reversal of 102520050145021 is 120541050025201.

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 102520050145021 - 2³³ = 102511460210429 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 (102520050145027) 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, 46877841 + ... + 49016038.

It is an arithmetic number, because the mean of its divisors is an integer number (25630036777000).

Almost surely, 2^{102520050145021} is an apocalyptic number.

It is an amenable number.

102520050145021 is a deficient number, since it is larger than the sum of its proper divisors (96962979).

102520050145021 is an equidigital number, since it uses as much as digits as its factorization.

102520050145021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96962978.

The product of its (nonzero) digits is 4000, while the sum is 28.

The spelling of 102520050145021 in words is "one hundred two trillion, five hundred twenty billion, fifty million, one hundred forty-five thousand, twenty-one".