2131023212210 has 16 divisors (see below), whose sum is σ = 3852304626456. Its totient is φ = 848750875008.

The previous prime is 2131023212203. The next prime is 2131023212249. The reversal of 2131023212210 is 122123201312.

It can be written as a sum of positive squares in 4 ways, for example, as 1952505977041 + 178517235169 = 1397321^2 + 422513^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457298789 + ... + 457303448.

Almost surely, 2^{2131023212210} is an apocalyptic number.

2131023212210 is a deficient number, since it is larger than the sum of its proper divisors (1721281414246).

2131023212210 is a wasteful number, since it uses less digits than its factorization.

2131023212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914602477.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2131023212210 its reverse (122123201312), we get a palindrome (2253146413522).

The spelling of 2131023212210 in words is "two trillion, one hundred thirty-one billion, twenty-three million, two hundred twelve thousand, two hundred ten".