2102010212100 has 36 divisors (see below), whose sum is σ = 6081816214544. Its totient is φ = 560536056480.

The previous prime is 2102010212083. The next prime is 2102010212101. The reversal of 2102010212100 is 12120102012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2102010212101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3503350054 + ... + 3503350653.

Almost surely, 2^{2102010212100} is an apocalyptic number.

2102010212100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102010212100 is an abundant number, since it is smaller than the sum of its proper divisors (3979806002444).

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

2102010212100 is a wasteful number, since it uses less digits than its factorization.

2102010212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7006700724 (or 7006700717 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2102010212100 its reverse (12120102012), we get a palindrome (2114130314112).

The spelling of 2102010212100 in words is "two trillion, one hundred two billion, ten million, two hundred twelve thousand, one hundred".