2100100222200 has 48 divisors (see below), whose sum is σ = 6510310690680. Its totient is φ = 560026725760.

The previous prime is 2100100222169. The next prime is 2100100222261. The reversal of 2100100222200 is 22220010012.

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 11 ways as a sum of consecutive naturals, for example, 1750082919 + ... + 1750084118.

Almost surely, 2^{2100100222200} is an apocalyptic number.

2100100222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100100222200 is an abundant number, since it is smaller than the sum of its proper divisors (4410210468480).

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

2100100222200 is a wasteful number, since it uses less digits than its factorization.

2100100222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500167056 (or 3500167047 counting only the distinct ones).

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

Adding to 2100100222200 its reverse (22220010012), we get a palindrome (2122320232212).

The spelling of 2100100222200 in words is "two trillion, one hundred billion, one hundred million, two hundred twenty-two thousand, two hundred".