122011011 has 6 divisors (see below), whose sum is σ = 176238140. Its totient is φ = 81340668.

The previous prime is 122010983. The next prime is 122011031. The reversal of 122011011 is 110110221.

It is a happy number.

It is not a de Polignac number, because 122011011 - 2⁵ = 122010979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 13556779 = 122011011 / (1 + 2 + 2 + 0 + 1 + 1 + 0 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122010984 and 122011002.

It is not an unprimeable number, because it can be changed into a prime (122011031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6778381 + ... + 6778398.

Almost surely, 2^122011011 is an apocalyptic number.

122011011 is a deficient number, since it is larger than the sum of its proper divisors (54227129).

122011011 is a wasteful number, since it uses less digits than its factorization.

122011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13556785 (or 13556782 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 122011011 is about 11045.8594504909. The cubic root of 122011011 is about 495.9824869705.

Adding to 122011011 its reverse (110110221), we get a palindrome (232121232).

The spelling of 122011011 in words is "one hundred twenty-two million, eleven thousand, eleven".