112430020021 has 4 divisors (see below), whose sum is σ = 122650930944. Its totient is φ = 102209109100.

The previous prime is 112430019991. The next prime is 112430020033. The reversal of 112430020021 is 120020034211.

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 a de Polignac number, because none of the positive numbers 2^k-112430020021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112430019977 and 112430020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112430020091) 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, 5110455445 + ... + 5110455466.

It is an arithmetic number, because the mean of its divisors is an integer number (30662732736).

Almost surely, 2^112430020021 is an apocalyptic number.

112430020021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112430020021 is a deficient number, since it is larger than the sum of its proper divisors (10220910923).

112430020021 is a wasteful number, since it uses less digits than its factorization.

112430020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10220910922.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 112430020021 its reverse (120020034211), we get a palindrome (232450054232).

The spelling of 112430020021 in words is "one hundred twelve billion, four hundred thirty million, twenty thousand, twenty-one".