122013111 has 16 divisors (see below), whose sum is σ = 178093440. Its totient is φ = 73689120.

The previous prime is 122013109. The next prime is 122013113. The reversal of 122013111 is 111310221.

It is an interprime number because it is at equal distance from previous prime (122013109) and next prime (122013113).

It is not a de Polignac number, because 122013111 - 2¹ = 122013109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122013113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3360 + ... + 15978.

It is an arithmetic number, because the mean of its divisors is an integer number (11130840).

Almost surely, 2^122013111 is an apocalyptic number.

122013111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122013111 is a deficient number, since it is larger than the sum of its proper divisors (56080329).

122013111 is a wasteful number, since it uses less digits than its factorization.

122013111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12926.

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

The square root of 122013111 is about 11045.9545083257. The cubic root of 122013111 is about 495.9853324985.

Adding to 122013111 its reverse (111310221), we get a palindrome (233323332).

The spelling of 122013111 in words is "one hundred twenty-two million, thirteen thousand, one hundred eleven".