112011002020021 has 4 divisors (see below), whose sum is σ = 120627232944652. Its totient is φ = 103394771095392.

The previous prime is 112011002019979. The next prime is 112011002020037. The reversal of 112011002020021 is 120020200110211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14600912200996 + 97410089819025 = 3821114^2 + 9869655^2 .

It is a cyclic number.

It is not a de Polignac number, because 112011002020021 - 2⁹ = 112011002019509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 8616230924617 = 112011002020021 / (1 + 1 + 2 + 0 + 1 + 1 + 0 + 0 + 2 + 0 + 2 + 0 + 0 + 2 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112011002019983 and 112011002020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112011002020721) 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, 4308115462296 + ... + 4308115462321.

It is an arithmetic number, because the mean of its divisors is an integer number (30156808236163).

Almost surely, 2^{112011002020021} is an apocalyptic number.

It is an amenable number.

112011002020021 is a deficient number, since it is larger than the sum of its proper divisors (8616230924631).

112011002020021 is an equidigital number, since it uses as much as digits as its factorization.

112011002020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8616230924630.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112011002020021 its reverse (120020200110211), we get a palindrome (232031202130232).

The spelling of 112011002020021 in words is "one hundred twelve trillion, eleven billion, two million, twenty thousand, twenty-one".