2131321022010 has 40 divisors (see below), whose sum is σ = 5730885416916. Its totient is φ = 568352272320.

The previous prime is 2131321021979. The next prime is 2131321022053. The reversal of 2131321022010 is 102201231312.

2131321022010 is a `hidden beast` number, since 213 + 13 + 210 + 220 + 10 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2000818737009 + 130502285001 = 1414503^2 + 361251^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1315629451 + ... + 1315631070.

Almost surely, 2^{2131321022010} is an apocalyptic number.

2131321022010 is an abundant number, since it is smaller than the sum of its proper divisors (3599564394906).

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

2131321022010 is a wasteful number, since it uses less digits than its factorization.

2131321022010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631260540 (or 2631260531 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2131321022010 its reverse (102201231312), we get a palindrome (2233522253322).

The spelling of 2131321022010 in words is "two trillion, one hundred thirty-one billion, three hundred twenty-one million, twenty-two thousand, ten".