112122121021231 has 4 divisors (see below), whose sum is σ = 112146703819264. Its totient is φ = 112097538223200.

The previous prime is 112122121021219. The next prime is 112122121021243. The reversal of 112122121021231 is 132120121221211.

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

It is an interprime number because it is at equal distance from previous prime (112122121021219) and next prime (112122121021243).

It is a cyclic number.

It is not a de Polignac number, because 112122121021231 - 2²⁷ = 112121986803503 is a prime.

It is a super-2 number, since 2×112122121021231² (a number of 29 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 (112122121091231) 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, 12291392175 + ... + 12291401296.

It is an arithmetic number, because the mean of its divisors is an integer number (28036675954816).

Almost surely, 2^{112122121021231} is an apocalyptic number.

112122121021231 is a deficient number, since it is larger than the sum of its proper divisors (24582798033).

112122121021231 is an equidigital number, since it uses as much as digits as its factorization.

112122121021231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24582798032.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 112122121021231 its reverse (132120121221211), we get a palindrome (244242242242442).

The spelling of 112122121021231 in words is "one hundred twelve trillion, one hundred twenty-two billion, one hundred twenty-one million, twenty-one thousand, two hundred thirty-one".