112222333121 has 4 divisors (see below), whose sum is σ = 118823646852. Its totient is φ = 105621019392.

The previous prime is 112222333117. The next prime is 112222333123. The reversal of 112222333121 is 121333222211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 35745196096 + 76477137025 = 189064^2 + 276545^2 .

It is a cyclic number.

It is not a de Polignac number, because 112222333121 - 2² = 112222333117 is a prime.

It is a super-2 number, since 2×112222333121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112222333123) 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, 3300656840 + ... + 3300656873.

It is an arithmetic number, because the mean of its divisors is an integer number (29705911713).

Almost surely, 2^112222333121 is an apocalyptic number.

It is an amenable number.

112222333121 is a deficient number, since it is larger than the sum of its proper divisors (6601313731).

112222333121 is an equidigital number, since it uses as much as digits as its factorization.

112222333121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6601313730.

The product of its digits is 864, while the sum is 23.

Adding to 112222333121 its reverse (121333222211), we get a palindrome (233555555332).

The spelling of 112222333121 in words is "one hundred twelve billion, two hundred twenty-two million, three hundred thirty-three thousand, one hundred twenty-one".