2102012101010 has 16 divisors (see below), whose sum is σ = 3792872698200. Its totient is φ = 838749081216.

The previous prime is 2102012101003. The next prime is 2102012101051. The reversal of 2102012101010 is 101012102012.

It can be written as a sum of positive squares in 4 ways, for example, as 1436428617121 + 665583483889 = 1198511^2 + 815833^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2102012100982 and 2102012101000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256965605 + ... + 256973784.

Almost surely, 2^{2102012101010} is an apocalyptic number.

2102012101010 is a deficient number, since it is larger than the sum of its proper divisors (1690860597190).

2102012101010 is a wasteful number, since it uses less digits than its factorization.

2102012101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513939805.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2102012101010 its reverse (101012102012), we get a palindrome (2203024203022).

It can be divided in two parts, 2102012 and 101010, that added together give a palindrome (2203022).

The spelling of 2102012101010 in words is "two trillion, one hundred two billion, twelve million, one hundred one thousand, ten".