112121009974 has 4 divisors (see below), whose sum is σ = 168181514964. Its totient is φ = 56060504986.

The previous prime is 112121009927. The next prime is 112121009977. The reversal of 112121009974 is 479900121211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 479900121211 = 7 ⋅68557160173.

It is a super-2 number, since 2×112121009974² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121009977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28030252492 + ... + 28030252495.

It is an arithmetic number, because the mean of its divisors is an integer number (42045378741).

Almost surely, 2^112121009974 is an apocalyptic number.

112121009974 is a deficient number, since it is larger than the sum of its proper divisors (56060504990).

112121009974 is an equidigital number, since it uses as much as digits as its factorization.

112121009974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56060504989.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 112121009974 in words is "one hundred twelve billion, one hundred twenty-one million, nine thousand, nine hundred seventy-four".