2131100001210 has 64 divisors (see below), whose sum is σ = 5380992497664. Its totient is φ = 539447846400.

The previous prime is 2131100001181. The next prime is 2131100001211. The reversal of 2131100001210 is 121000011312.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2131100001211) 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, 23368026 + ... + 23459045.

It is an arithmetic number, because the mean of its divisors is an integer number (84078007776).

Almost surely, 2^{2131100001210} is an apocalyptic number.

2131100001210 is an abundant number, since it is smaller than the sum of its proper divisors (3249892496454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131100001210 is a wasteful number, since it uses less digits than its factorization.

2131100001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46827159.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 2131100001210 its reverse (121000011312), we get a palindrome (2252100012522).

The spelling of 2131100001210 in words is "two trillion, one hundred thirty-one billion, one hundred million, one thousand, two hundred ten".