122011233111 has 48 divisors (see below), whose sum is σ = 179068237920. Its totient is φ = 80046489600.

The previous prime is 122011233077. The next prime is 122011233133. The reversal of 122011233111 is 111332110221.

122011233111 is a `hidden beast` number, since 1 + 220 + 112 + 331 + 1 + 1 = 666.

It is not a de Polignac number, because 122011233111 - 2¹³ = 122011224919 is a prime.

It is a super-3 number, since 3×122011233111³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011233151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 185145700 + ... + 185146358.

It is an arithmetic number, because the mean of its divisors is an integer number (3730588290).

Almost surely, 2^122011233111 is an apocalyptic number.

122011233111 is a deficient number, since it is larger than the sum of its proper divisors (57057004809).

122011233111 is a wasteful number, since it uses less digits than its factorization.

122011233111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 1693 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 122011233111 its reverse (111332110221), we get a palindrome (233343343332).

The spelling of 122011233111 in words is "one hundred twenty-two billion, eleven million, two hundred thirty-three thousand, one hundred eleven".