2102501501051 has 6 divisors (see below), whose sum is σ = 2445767052300. Its totient is φ = 1802144143716.

The previous prime is 2102501501039. The next prime is 2102501501053. The reversal of 2102501501051 is 1501051052012.

It is not a de Polignac number, because 2102501501051 - 2¹⁰ = 2102501500027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102501501053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21454096901 + ... + 21454096998.

It is an arithmetic number, because the mean of its divisors is an integer number (407627842050).

Almost surely, 2^{2102501501051} is an apocalyptic number.

2102501501051 is a deficient number, since it is larger than the sum of its proper divisors (343265551249).

2102501501051 is an equidigital number, since it uses as much as digits as its factorization.

2102501501051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42908193913 (or 42908193906 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 23.

Adding to 2102501501051 its reverse (1501051052012), we get a palindrome (3603552553063).

The spelling of 2102501501051 in words is "two trillion, one hundred two billion, five hundred one million, five hundred one thousand, fifty-one".