122011323031 has 4 divisors (see below), whose sum is σ = 131396809432. Its totient is φ = 112625836632.

The previous prime is 122011323023. The next prime is 122011323079. The reversal of 122011323031 is 130323110221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130323110221 = 479 ⋅272073299.

It is a cyclic number.

It is not a de Polignac number, because 122011323031 - 2³ = 122011323023 is a prime.

It is a super-2 number, since 2×122011323031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011323131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4692743181 + ... + 4692743206.

It is an arithmetic number, because the mean of its divisors is an integer number (32849202358).

Almost surely, 2^122011323031 is an apocalyptic number.

122011323031 is a deficient number, since it is larger than the sum of its proper divisors (9385486401).

122011323031 is an equidigital number, since it uses as much as digits as its factorization.

122011323031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9385486400.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 122011323031 its reverse (130323110221), we get a palindrome (252334433252).

The spelling of 122011323031 in words is "one hundred twenty-two billion, eleven million, three hundred twenty-three thousand, thirty-one".