122111055 has 24 divisors (see below), whose sum is σ = 230901840. Its totient is φ = 59205120.

The previous prime is 122111039. The next prime is 122111057. The reversal of 122111055 is 550111221.

It is not a de Polignac number, because 122111055 - 2⁴ = 122111039 is a prime.

It is a super-2 number, since 2×122111055² = 29822219506426050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122111057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122850 + ... + 123839.

It is an arithmetic number, because the mean of its divisors is an integer number (9620910).

Almost surely, 2^122111055 is an apocalyptic number.

122111055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122111055 is a deficient number, since it is larger than the sum of its proper divisors (108790785).

122111055 is a wasteful number, since it uses less digits than its factorization.

122111055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246711 (or 246708 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 122111055 is about 11050.3870972921. The cubic root of 122111055 is about 496.1180116677.

Adding to 122111055 its reverse (550111221), we get a palindrome (672222276).

The spelling of 122111055 in words is "one hundred twenty-two million, one hundred eleven thousand, fifty-five".