2200111211121 has 32 divisors (see below), whose sum is σ = 3086166835200. Its totient is φ = 1392389792640.

The previous prime is 2200111211113. The next prime is 2200111211147. The reversal of 2200111211121 is 1211121110022.

It is a happy number.

It is not a de Polignac number, because 2200111211121 - 2³ = 2200111211113 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2200111211121.

It is not an unprimeable number, because it can be changed into a prime (2200111211191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 750525 + ... + 2227893.

It is an arithmetic number, because the mean of its divisors is an integer number (96442713600).

Almost surely, 2^{2200111211121} is an apocalyptic number.

It is an amenable number.

2200111211121 is a deficient number, since it is larger than the sum of its proper divisors (886055624079).

2200111211121 is a wasteful number, since it uses less digits than its factorization.

2200111211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477709.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2200111211121 its reverse (1211121110022), we get a palindrome (3411232321143).

The spelling of 2200111211121 in words is "two trillion, two hundred billion, one hundred eleven million, two hundred eleven thousand, one hundred twenty-one".