122244021311231 has 4 divisors (see below), whose sum is σ = 122262263971464. Its totient is φ = 122225778651000.

The previous prime is 122244021311219. The next prime is 122244021311233. The reversal of 122244021311231 is 132113120442221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122244021311231 - 2³⁴ = 122226841442047 is a prime.

It is a super-2 number, since 2×122244021311231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122244021311194 and 122244021311203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122244021311233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9121320065 + ... + 9121333466.

It is an arithmetic number, because the mean of its divisors is an integer number (30565565992866).

Almost surely, 2^{122244021311231} is an apocalyptic number.

122244021311231 is a deficient number, since it is larger than the sum of its proper divisors (18242660233).

122244021311231 is an equidigital number, since it uses as much as digits as its factorization.

122244021311231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18242660232.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 122244021311231 its reverse (132113120442221), we get a palindrome (254357141753452).

The spelling of 122244021311231 in words is "one hundred twenty-two trillion, two hundred forty-four billion, twenty-one million, three hundred eleven thousand, two hundred thirty-one".