122120010111 has 32 divisors (see below), whose sum is σ = 187187397120. Its totient is φ = 70093232000.

The previous prime is 122120010097. The next prime is 122120010121. The reversal of 122120010111 is 111010021221.

It is not a de Polignac number, because 122120010111 - 2²⁹ = 121583139199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122120010121) 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, 719856 + ... + 873173.

It is an arithmetic number, because the mean of its divisors is an integer number (5849606160).

Almost surely, 2^122120010111 is an apocalyptic number.

122120010111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122120010111 is a deficient number, since it is larger than the sum of its proper divisors (65067387009).

122120010111 is a wasteful number, since it uses less digits than its factorization.

122120010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593167.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 122120010111 its reverse (111010021221), we get a palindrome (233130031332).

The spelling of 122120010111 in words is "one hundred twenty-two billion, one hundred twenty million, ten thousand, one hundred eleven".