2202111123 has 4 divisors (see below), whose sum is σ = 2936148168. Its totient is φ = 1468074080.

The previous prime is 2202111091. The next prime is 2202111161. The reversal of 2202111123 is 3211112022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2202111123 - 2⁵ = 2202111091 is a prime.

It is a super-2 number, since 2×2202111123² = 9698586796080642258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2202111173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367018518 + ... + 367018523.

It is an arithmetic number, because the mean of its divisors is an integer number (734037042).

Almost surely, 2^2202111123 is an apocalyptic number.

2202111123 is a deficient number, since it is larger than the sum of its proper divisors (734037045).

2202111123 is an equidigital number, since it uses as much as digits as its factorization.

2202111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734037044.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2202111123 is about 46926.6568487464. The cubic root of 2202111123 is about 1301.0073302943.

Adding to 2202111123 its reverse (3211112022), we get a palindrome (5413223145).

The spelling of 2202111123 in words is "two billion, two hundred two million, one hundred eleven thousand, one hundred twenty-three".