122020240111 has 32 divisors (see below), whose sum is σ = 162009289728. Its totient is φ = 88970288640.

The previous prime is 122020240091. The next prime is 122020240169. The reversal of 122020240111 is 111042020221.

It is a cyclic number.

It is not a de Polignac number, because 122020240111 - 2³³ = 113430305519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020240171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42955 + ... + 495868.

It is an arithmetic number, because the mean of its divisors is an integer number (5062790304).

Almost surely, 2^122020240111 is an apocalyptic number.

122020240111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122020240111 is a deficient number, since it is larger than the sum of its proper divisors (39989049617).

122020240111 is a wasteful number, since it uses less digits than its factorization.

122020240111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539031.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122020240111 its reverse (111042020221), we get a palindrome (233062260332).

The spelling of 122020240111 in words is "one hundred twenty-two billion, twenty million, two hundred forty thousand, one hundred eleven".