2211200020100 has 36 divisors (see below), whose sum is σ = 4798798846800. Its totient is φ = 884388800160.

The previous prime is 2211200020079. The next prime is 2211200020129. The reversal of 2211200020100 is 10200021122.

It is a happy 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, 161330 + ... + 2109129.

Almost surely, 2^{2211200020100} is an apocalyptic number.

2211200020100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211200020100 is an abundant number, since it is smaller than the sum of its proper divisors (2587598826700).

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

2211200020100 is a wasteful number, since it uses less digits than its factorization.

2211200020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280212 (or 2280205 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2211200020100 its reverse (10200021122), we get a palindrome (2221400041222).

The spelling of 2211200020100 in words is "two trillion, two hundred eleven billion, two hundred million, twenty thousand, one hundred".