2101001031312 has 80 divisors (see below), whose sum is σ = 5732748288960. Its totient is φ = 661209509376.

The previous prime is 2101001031301. The next prime is 2101001031361. The reversal of 2101001031312 is 2131301001012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2101001031291 and 2101001031300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3664063 + ... + 4198494.

It is an arithmetic number, because the mean of its divisors is an integer number (71659353612).

Almost surely, 2^{2101001031312} is an apocalyptic number.

It is an amenable number.

2101001031312 is an abundant number, since it is smaller than the sum of its proper divisors (3631747257648).

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

2101001031312 is a wasteful number, since it uses less digits than its factorization.

2101001031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7862880 (or 7862874 counting only the distinct ones).

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

Adding to 2101001031312 its reverse (2131301001012), we get a palindrome (4232302032324).

The spelling of 2101001031312 in words is "two trillion, one hundred one billion, one million, thirty-one thousand, three hundred twelve".