2202111200121 has 16 divisors (see below), whose sum is σ = 3356101094784. Its totient is φ = 1258160603904.

The previous prime is 2202111200117. The next prime is 2202111200143. The reversal of 2202111200121 is 1210021112022.

It is not a de Polignac number, because 2202111200121 - 2² = 2202111200117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2202111200121.

It is not an unprimeable number, because it can be changed into a prime (2202111200161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7717086 + ... + 7997351.

It is an arithmetic number, because the mean of its divisors is an integer number (209756318424).

Almost surely, 2^{2202111200121} is an apocalyptic number.

2202111200121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2202111200121 is a deficient number, since it is larger than the sum of its proper divisors (1153989894663).

2202111200121 is a wasteful number, since it uses less digits than its factorization.

2202111200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15721120.

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

Adding to 2202111200121 its reverse (1210021112022), we get a palindrome (3412132312143).

It can be divided in two parts, 22021112001 and 21, that added together give a palindrome (22021112022).

The spelling of 2202111200121 in words is "two trillion, two hundred two billion, one hundred eleven million, two hundred thousand, one hundred twenty-one".