2120111122200 has 96 divisors (see below), whose sum is σ = 6749975481360. Its totient is φ = 550082880000.

The previous prime is 2120111122193. The next prime is 2120111122219. The reversal of 2120111122200 is 22211110212.

It is a super-2 number, since 2×2120111122200² (a number of 25 digits) contains 22 as substring.

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 2120111122200.

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, 47728051 + ... + 47772450.

Almost surely, 2^{2120111122200} is an apocalyptic number.

2120111122200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120111122200 is an abundant number, since it is smaller than the sum of its proper divisors (4629864359160).

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

2120111122200 is a wasteful number, since it uses less digits than its factorization.

2120111122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95500557 (or 95500548 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2120111122200 its reverse (22211110212), we get a palindrome (2142322232412).

The spelling of 2120111122200 in words is "two trillion, one hundred twenty billion, one hundred eleven million, one hundred twenty-two thousand, two hundred".