112123203321121 has 16 divisors (see below), whose sum is σ = 117526361895936. Its totient is φ = 106764093792576.

The previous prime is 112123203321079. The next prime is 112123203321149. The reversal of 112123203321121 is 121123302321211.

It is a cyclic number.

It is not a de Polignac number, because 112123203321121 - 2¹⁹ = 112123202796833 is a prime.

It is a super-2 number, since 2×112123203321121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112123503321121) 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, 177214291 + ... + 177845863.

It is an arithmetic number, because the mean of its divisors is an integer number (7345397618496).

Almost surely, 2^{112123203321121} is an apocalyptic number.

It is an amenable number.

112123203321121 is a deficient number, since it is larger than the sum of its proper divisors (5403158574815).

112123203321121 is a wasteful number, since it uses less digits than its factorization.

112123203321121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666432.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 112123203321121 its reverse (121123302321211), we get a palindrome (233246505642332).

The spelling of 112123203321121 in words is "one hundred twelve trillion, one hundred twenty-three billion, two hundred three million, three hundred twenty-one thousand, one hundred twenty-one".