2101311021210 has 32 divisors (see below), whose sum is σ = 5060358576000. Its totient is φ = 558437147328.

The previous prime is 2101311021209. The next prime is 2101311021217. The reversal of 2101311021210 is 121201131012.

It is a super-2 number, since 2×2101311021210² (a number of 25 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2101311021210.

It is not an unprimeable number, because it can be changed into a prime (2101311021217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119519710 + ... + 119537289.

It is an arithmetic number, because the mean of its divisors is an integer number (158136205500).

Almost surely, 2^{2101311021210} is an apocalyptic number.

2101311021210 is an abundant number, since it is smaller than the sum of its proper divisors (2959047554790).

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

2101311021210 is a wasteful number, since it uses less digits than its factorization.

2101311021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239057302.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 2101311021210 its reverse (121201131012), we get a palindrome (2222512152222).

The spelling of 2101311021210 in words is "two trillion, one hundred one billion, three hundred eleven million, twenty-one thousand, two hundred ten".