2111220202200 has 96 divisors (see below), whose sum is σ = 6570249186960. Its totient is φ = 560801382400.

The previous prime is 2111220202139. The next prime is 2111220202243. The reversal of 2111220202200 is 22020221112.

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 2111220202200.

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, 6691521 + ... + 6999920.

Almost surely, 2^{2111220202200} is an apocalyptic number.

2111220202200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111220202200 is an abundant number, since it is smaller than the sum of its proper divisors (4459028984760).

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

2111220202200 is a wasteful number, since it uses less digits than its factorization.

2111220202200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13691717 (or 13691708 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2111220202200 its reverse (22020221112), we get a palindrome (2133240423312).

The spelling of 2111220202200 in words is "two trillion, one hundred eleven billion, two hundred twenty million, two hundred two thousand, two hundred".