112703781821 has 8 divisors (see below), whose sum is σ = 117608186304. Its totient is φ = 107799730720.

The previous prime is 112703781767. The next prime is 112703781901. The reversal of 112703781821 is 128187307211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112703781821 - 2²⁶ = 112636672957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112703781521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721406 + ... + 863616.

It is an arithmetic number, because the mean of its divisors is an integer number (14701023288).

Almost surely, 2^112703781821 is an apocalyptic number.

It is an amenable number.

112703781821 is a deficient number, since it is larger than the sum of its proper divisors (4904404483).

112703781821 is a wasteful number, since it uses less digits than its factorization.

112703781821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176691.

The product of its (nonzero) digits is 37632, while the sum is 41.

The spelling of 112703781821 in words is "one hundred twelve billion, seven hundred three million, seven hundred eighty-one thousand, eight hundred twenty-one".