2120331101010 has 128 divisors (see below), whose sum is σ = 5177977159680. Its totient is φ = 555587375616.

The previous prime is 2120331100963. The next prime is 2120331101027. The reversal of 2120331101010 is 101011330212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 551162907 + ... + 551166753.

It is an arithmetic number, because the mean of its divisors is an integer number (40452946560).

Almost surely, 2^{2120331101010} is an apocalyptic number.

2120331101010 is an abundant number, since it is smaller than the sum of its proper divisors (3057646058670).

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

2120331101010 is a wasteful number, since it uses less digits than its factorization.

2120331101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4992.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 2120331101010 its reverse (101011330212), we get a palindrome (2221342431222).

The spelling of 2120331101010 in words is "two trillion, one hundred twenty billion, three hundred thirty-one million, one hundred one thousand, ten".