2131113220210 has 32 divisors (see below), whose sum is σ = 4158806425200. Its totient is φ = 781591542528.

The previous prime is 2131113220199. The next prime is 2131113220273. The reversal of 2131113220210 is 120223111312.

It can be written as a sum of positive squares in 8 ways, for example, as 683979409 + 2130429240801 = 26153^2 + 1459599^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54991297 + ... + 55030036.

Almost surely, 2^{2131113220210} is an apocalyptic number.

2131113220210 is a deficient number, since it is larger than the sum of its proper divisors (2027693204990).

2131113220210 is a wasteful number, since it uses less digits than its factorization.

2131113220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110021502.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2131113220210 its reverse (120223111312), we get a palindrome (2251336331522).

The spelling of 2131113220210 in words is "two trillion, one hundred thirty-one billion, one hundred thirteen million, two hundred twenty thousand, two hundred ten".