2202111121 has 4 divisors (see below), whose sum is σ = 2516698432. Its totient is φ = 1887523812.

The previous prime is 2202111091. The next prime is 2202111161. The reversal of 2202111121 is 1211112022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2202111121 - 2⁷ = 2202110993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2202111161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157293645 + ... + 157293658.

It is an arithmetic number, because the mean of its divisors is an integer number (629174608).

Almost surely, 2^2202111121 is an apocalyptic number.

It is an amenable number.

2202111121 is a deficient number, since it is larger than the sum of its proper divisors (314587311).

2202111121 is an equidigital number, since it uses as much as digits as its factorization.

2202111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314587310.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2202111121 is about 46926.6568274366. The cubic root of 2202111121 is about 1301.0073299004.

Adding to 2202111121 its reverse (1211112022), we get a palindrome (3413223143).

Subtracting from 2202111121 its reverse (1211112022), we obtain a palindrome (990999099).

The spelling of 2202111121 in words is "two billion, two hundred two million, one hundred eleven thousand, one hundred twenty-one".