2111311102200 has 48 divisors (see below), whose sum is σ = 6545064418680. Its totient is φ = 563016293760.

The previous prime is 2111311102111. The next prime is 2111311102247. The reversal of 2111311102200 is 22011131112.

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 2111311102200.

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, 1759425319 + ... + 1759426518.

Almost surely, 2^{2111311102200} is an apocalyptic number.

2111311102200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111311102200 is an abundant number, since it is smaller than the sum of its proper divisors (4433753316480).

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

2111311102200 is a wasteful number, since it uses less digits than its factorization.

2111311102200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3518851856 (or 3518851847 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 2111311102200 its reverse (22011131112), we get a palindrome (2133322233312).

The spelling of 2111311102200 in words is "two trillion, one hundred eleven billion, three hundred eleven million, one hundred two thousand, two hundred".