112240142021 has 4 divisors (see below), whose sum is σ = 128274448032. Its totient is φ = 96205836012.

The previous prime is 112240142017. The next prime is 112240142087. The reversal of 112240142021 is 120241042211.

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 112240142021 - 2² = 112240142017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112240141984 and 112240142002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112240102021) 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, 8017152995 + ... + 8017153008.

It is an arithmetic number, because the mean of its divisors is an integer number (32068612008).

Almost surely, 2^112240142021 is an apocalyptic number.

It is an amenable number.

112240142021 is a deficient number, since it is larger than the sum of its proper divisors (16034306011).

112240142021 is an equidigital number, since it uses as much as digits as its factorization.

112240142021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16034306010.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 112240142021 its reverse (120241042211), we get a palindrome (232481184232).

The spelling of 112240142021 in words is "one hundred twelve billion, two hundred forty million, one hundred forty-two thousand, twenty-one".