112131200121 has 4 divisors (see below), whose sum is σ = 149508266832. Its totient is φ = 74754133412.

The previous prime is 112131200107. The next prime is 112131200123. The reversal of 112131200121 is 121002131211.

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.

It is a cyclic number.

It is not a de Polignac number, because 112131200121 - 2⁷ = 112131199993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112131200121.

It is not an unprimeable number, because it can be changed into a prime (112131200123) 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, 18688533351 + ... + 18688533356.

It is an arithmetic number, because the mean of its divisors is an integer number (37377066708).

Almost surely, 2^112131200121 is an apocalyptic number.

It is an amenable number.

112131200121 is a deficient number, since it is larger than the sum of its proper divisors (37377066711).

112131200121 is an equidigital number, since it uses as much as digits as its factorization.

112131200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37377066710.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 112131200121 its reverse (121002131211), we get a palindrome (233133331332).

The spelling of 112131200121 in words is "one hundred twelve billion, one hundred thirty-one million, two hundred thousand, one hundred twenty-one".