2131220222010 has 48 divisors (see below), whose sum is σ = 6044915541600. Its totient is φ = 516659447520.

The previous prime is 2131220222003. The next prime is 2131220222063. The reversal of 2131220222010 is 102220221312.

2131220222010 is a `hidden beast` number, since 213 + 1 + 220 + 2 + 220 + 10 = 666.

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 23 ways as a sum of consecutive naturals, for example, 1076372860 + ... + 1076374839.

It is an arithmetic number, because the mean of its divisors is an integer number (125935740450).

Almost surely, 2^{2131220222010} is an apocalyptic number.

2131220222010 is an abundant number, since it is smaller than the sum of its proper divisors (3913695319590).

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

2131220222010 is a wasteful number, since it uses less digits than its factorization.

2131220222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152747723 (or 2152747720 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2131220222010 its reverse (102220221312), we get a palindrome (2233440443322).

The spelling of 2131220222010 in words is "two trillion, one hundred thirty-one billion, two hundred twenty million, two hundred twenty-two thousand, ten".