2111202200121 has 64 divisors (see below), whose sum is σ = 3438694010880. Its totient is φ = 1124691148800.

The previous prime is 2111202200071. The next prime is 2111202200123. The reversal of 2111202200121 is 1210022021112.

It is not a de Polignac number, because 2111202200121 - 2²⁷ = 2111067982393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2111202200121.

It is not an unprimeable number, because it can be changed into a prime (2111202200123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16358796 + ... + 16487346.

It is an arithmetic number, because the mean of its divisors is an integer number (53729593920).

Almost surely, 2^{2111202200121} is an apocalyptic number.

2111202200121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2111202200121 is a deficient number, since it is larger than the sum of its proper divisors (1327491810759).

2111202200121 is a wasteful number, since it uses less digits than its factorization.

2111202200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129014.

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

Adding to 2111202200121 its reverse (1210022021112), we get a palindrome (3321224221233).

The spelling of 2111202200121 in words is "two trillion, one hundred eleven billion, two hundred two million, two hundred thousand, one hundred twenty-one".