122111143 has 12 divisors (see below), whose sum is σ = 153396880. Its totient is φ = 95150880.

The previous prime is 122111131. The next prime is 122111149. The reversal of 122111143 is 341111221.

It is not a de Polignac number, because 122111143 - 2⁵ = 122111111 is a prime.

It is a super-2 number, since 2×122111143² = 29822262489532898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122111149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71238 + ... + 72931.

Almost surely, 2^122111143 is an apocalyptic number.

122111143 is a deficient number, since it is larger than the sum of its proper divisors (31285737).

122111143 is a wasteful number, since it uses less digits than its factorization.

122111143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144198 (or 144187 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 122111143 is about 11050.3910790524. The cubic root of 122111143 is about 496.1181308444.

Adding to 122111143 its reverse (341111221), we get a palindrome (463222364).

The spelling of 122111143 in words is "one hundred twenty-two million, one hundred eleven thousand, one hundred forty-three".