2102002022100 has 72 divisors (see below), whose sum is σ = 6082101276160. Its totient is φ = 560505415680.

The previous prime is 2102002022033. The next prime is 2102002022111. The reversal of 2102002022100 is 12202002012.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6111309 + ... + 6446091.

Almost surely, 2^{2102002022100} is an apocalyptic number.

2102002022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102002022100 is an abundant number, since it is smaller than the sum of its proper divisors (3980099254060).

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

2102002022100 is a wasteful number, since it uses less digits than its factorization.

2102002022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355729 (or 355722 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2102002022100 its reverse (12202002012), we get a palindrome (2114204024112).

The spelling of 2102002022100 in words is "two trillion, one hundred two billion, two million, twenty-two thousand, one hundred".