2502010500021 has 48 divisors (see below), whose sum is σ = 3822502028800. Its totient is φ = 1572630339456.

The previous prime is 2502010500013. The next prime is 2502010500043. The reversal of 2502010500021 is 1200050102052.

It is not a de Polignac number, because 2502010500021 - 2³ = 2502010500013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2502010499967 and 2502010500003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2502010580021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146917935 + ... + 146934963.

Almost surely, 2^{2502010500021} is an apocalyptic number.

It is an amenable number.

2502010500021 is a deficient number, since it is larger than the sum of its proper divisors (1320491528779).

2502010500021 is a wasteful number, since it uses less digits than its factorization.

2502010500021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21130 (or 21127 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

Adding to 2502010500021 its reverse (1200050102052), we get a palindrome (3702060602073).

The spelling of 2502010500021 in words is "two trillion, five hundred two billion, ten million, five hundred thousand, twenty-one".