1112231300021 has 4 divisors (see below), whose sum is σ = 1150584103500. Its totient is φ = 1073878496544.

The previous prime is 1112231300017. The next prime is 1112231300071. The reversal of 1112231300021 is 1200031322111.

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 380983983121 + 731247316900 = 617239^2 + 855130^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112231300021 - 2² = 1112231300017 is a prime.

It is a super-3 number, since 3×1112231300021³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112231300071) 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, 19176401696 + ... + 19176401753.

It is an arithmetic number, because the mean of its divisors is an integer number (287646025875).

Almost surely, 2^{1112231300021} is an apocalyptic number.

It is an amenable number.

1112231300021 is a deficient number, since it is larger than the sum of its proper divisors (38352803479).

1112231300021 is an equidigital number, since it uses as much as digits as its factorization.

1112231300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38352803478.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1112231300021 its reverse (1200031322111), we get a palindrome (2312262622132).

The spelling of 1112231300021 in words is "one trillion, one hundred twelve billion, two hundred thirty-one million, three hundred thousand, twenty-one".