112981101 has 4 divisors (see below), whose sum is σ = 150641472. Its totient is φ = 75320732.

The previous prime is 112981097. The next prime is 112981109. The reversal of 112981101 is 101189211.

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: 101189211 = 3 ⋅33729737.

It is a cyclic number.

It is not a de Polignac number, because 112981101 - 2² = 112981097 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112981109) 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, 18830181 + ... + 18830186.

It is an arithmetic number, because the mean of its divisors is an integer number (37660368).

Almost surely, 2^112981101 is an apocalyptic number.

It is an amenable number.

112981101 is a deficient number, since it is larger than the sum of its proper divisors (37660371).

112981101 is an equidigital number, since it uses as much as digits as its factorization.

112981101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37660370.

The product of its (nonzero) digits is 144, while the sum is 24.

The square root of 112981101 is about 10629.2568413789. The cubic root of 112981101 is about 483.4318587362.

The spelling of 112981101 in words is "one hundred twelve million, nine hundred eighty-one thousand, one hundred one".