122111013010231 has 16 divisors (see below), whose sum is σ = 139903845304320. Its totient is φ = 104405366629440.

The previous prime is 122111013010223. The next prime is 122111013010289. The reversal of 122111013010231 is 132010310111221.

It is a cyclic number.

It is not a de Polignac number, because 122111013010231 - 2³ = 122111013010223 is a prime.

It is a super-2 number, since 2×122111013010231² (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 = 122111013010199 and 122111013010208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122111013010631) 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, 13606470 + ... + 20720956.

It is an arithmetic number, because the mean of its divisors is an integer number (8743990331520).

Almost surely, 2^{122111013010231} is an apocalyptic number.

122111013010231 is a deficient number, since it is larger than the sum of its proper divisors (17792832294089).

122111013010231 is an equidigital number, since it uses as much as digits as its factorization.

122111013010231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7120614.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 122111013010231 its reverse (132010310111221), we get a palindrome (254121323121452).

The spelling of 122111013010231 in words is "one hundred twenty-two trillion, one hundred eleven billion, thirteen million, ten thousand, two hundred thirty-one".