112002313021 has 4 divisors (see below), whose sum is σ = 112021228672. Its totient is φ = 111983397372.

The previous prime is 112002312953. The next prime is 112002313063. The reversal of 112002313021 is 120313200211.

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: 120313200211 = 617 ⋅194997083.

It is a cyclic number.

It is not a de Polignac number, because 112002313021 - 2¹⁹ = 112001788733 is a prime.

It is a super-2 number, since 2×112002313021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112002312986 and 112002313004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112002113021) 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, 9448941 + ... + 9460786.

It is an arithmetic number, because the mean of its divisors is an integer number (28005307168).

Almost surely, 2^112002313021 is an apocalyptic number.

It is an amenable number.

112002313021 is a deficient number, since it is larger than the sum of its proper divisors (18915651).

112002313021 is an equidigital number, since it uses as much as digits as its factorization.

112002313021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18915650.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 112002313021 its reverse (120313200211), we get a palindrome (232315513232).

The spelling of 112002313021 in words is "one hundred twelve billion, two million, three hundred thirteen thousand, twenty-one".