1112231032021 has 8 divisors (see below), whose sum is σ = 1137279112704. Its totient is φ = 1087240601040.

The previous prime is 1112231032009. The next prime is 1112231032037. The reversal of 1112231032021 is 1202301322111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112231032021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1112231032021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112231032091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14373405 + ... + 14450578.

It is an arithmetic number, because the mean of its divisors is an integer number (142159889088).

Almost surely, 2^{1112231032021} is an apocalyptic number.

It is an amenable number.

1112231032021 is a deficient number, since it is larger than the sum of its proper divisors (25048080683).

1112231032021 is an equidigital number, since it uses as much as digits as its factorization.

1112231032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28824851.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1112231032021 its reverse (1202301322111), we get a palindrome (2314532354132).

The spelling of 1112231032021 in words is "one trillion, one hundred twelve billion, two hundred thirty-one million, thirty-two thousand, twenty-one".