2102101012 has 24 divisors (see below), whose sum is σ = 4020105600. Its totient is φ = 953832960.

The previous prime is 2102101009. The next prime is 2102101021. The reversal of 2102101012 is 2101012012.

It is a self number, because there is not a number n which added to its sum of digits gives 2102101012.

It is a congruent number.

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, 16012 + ... + 66787.

It is an arithmetic number, because the mean of its divisors is an integer number (167504400).

Almost surely, 2^2102101012 is an apocalyptic number.

2102101012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2102101012 is a deficient number, since it is larger than the sum of its proper divisors (1918004588).

2102101012 is a wasteful number, since it uses less digits than its factorization.

2102101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83391 (or 83389 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2102101012 is about 45848.6751389830. The cubic root of 2102101012 is about 1281.0060880703.

Adding to 2102101012 its reverse (2101012012), we get a palindrome (4203113024).

The spelling of 2102101012 in words is "two billion, one hundred two million, one hundred one thousand, twelve".