112757123121 has 4 divisors (see below), whose sum is σ = 150342830832. Its totient is φ = 75171415412.

The previous prime is 112757123107. The next prime is 112757123131. The reversal of 112757123121 is 121321757211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121321757211 = 3 ⋅40440585737.

It is a cyclic number.

It is not a de Polignac number, because 112757123121 - 2⁶ = 112757123057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112757123131) 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, 18792853851 + ... + 18792853856.

It is an arithmetic number, because the mean of its divisors is an integer number (37585707708).

Almost surely, 2^112757123121 is an apocalyptic number.

It is an amenable number.

112757123121 is a deficient number, since it is larger than the sum of its proper divisors (37585707711).

112757123121 is an equidigital number, since it uses as much as digits as its factorization.

112757123121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37585707710.

The product of its digits is 5880, while the sum is 33.

The spelling of 112757123121 in words is "one hundred twelve billion, seven hundred fifty-seven million, one hundred twenty-three thousand, one hundred twenty-one".