2101311001010 has 128 divisors (see below), whose sum is σ = 4276082603520. Its totient is φ = 737662464000.

The previous prime is 2101311001003. The next prime is 2101311001037. The reversal of 2101311001010 is 101001131012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2101311000982 and 2101311001000.

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, 636566360 + ... + 636569660.

It is an arithmetic number, because the mean of its divisors is an integer number (33406895340).

Almost surely, 2^{2101311001010} is an apocalyptic number.

2101311001010 is an abundant number, since it is smaller than the sum of its proper divisors (2174771602510).

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

2101311001010 is a wasteful number, since it uses less digits than its factorization.

2101311001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4564.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 2101311001010 its reverse (101001131012), we get a palindrome (2202312132022).

The spelling of 2101311001010 in words is "two trillion, one hundred one billion, three hundred eleven million, one thousand, ten".