2100222311100 has 36 divisors (see below), whose sum is σ = 6076643220984. Its totient is φ = 560059282880.

The previous prime is 2100222311093. The next prime is 2100222311137. The reversal of 2100222311100 is 11132220012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2100222311100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3500370219 + ... + 3500370818.

Almost surely, 2^{2100222311100} is an apocalyptic number.

2100222311100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100222311100 is an abundant number, since it is smaller than the sum of its proper divisors (3976420909884).

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

2100222311100 is a wasteful number, since it uses less digits than its factorization.

2100222311100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000741054 (or 7000741047 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2100222311100 its reverse (11132220012), we get a palindrome (2111354531112).

The spelling of 2100222311100 in words is "two trillion, one hundred billion, two hundred twenty-two million, three hundred eleven thousand, one hundred".