112122221021231 has 16 divisors (see below), whose sum is σ = 114951136194048. Its totient is φ = 109297801267200.

The previous prime is 112122221021171. The next prime is 112122221021243. The reversal of 112122221021231 is 132120122221211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112122221021231 is a prime.

It is a super-2 number, since 2×112122221021231² (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 = 112122221021197 and 112122221021206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112122221021281) 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, 1466742971 + ... + 1466819411.

It is an arithmetic number, because the mean of its divisors is an integer number (7184446012128).

Almost surely, 2^{112122221021231} is an apocalyptic number.

112122221021231 is a deficient number, since it is larger than the sum of its proper divisors (2828915172817).

112122221021231 is a wasteful number, since it uses less digits than its factorization.

112122221021231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105362.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 112122221021231 its reverse (132120122221211), we get a palindrome (244242343242442).

The spelling of 112122221021231 in words is "one hundred twelve trillion, one hundred twenty-two billion, two hundred twenty-one million, twenty-one thousand, two hundred thirty-one".