1112132311021 has 8 divisors (see below), whose sum is σ = 1112696577720. Its totient is φ = 1111568164608.

The previous prime is 1112132310973. The next prime is 1112132311027. The reversal of 1112132311021 is 1201132312111.

It can be written as a sum of positive squares in 4 ways, for example, as 1018860096996 + 93272214025 = 1009386^2 + 305405^2 .

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-1112132311021 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 1112132311021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112132311027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22617955 + ... + 22667071.

It is an arithmetic number, because the mean of its divisors is an integer number (139087072215).

Almost surely, 2^{1112132311021} is an apocalyptic number.

It is an amenable number.

1112132311021 is a deficient number, since it is larger than the sum of its proper divisors (564266699).

1112132311021 is an equidigital number, since it uses as much as digits as its factorization.

1112132311021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60143.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1112132311021 its reverse (1201132312111), we get a palindrome (2313264623132).

The spelling of 1112132311021 in words is "one trillion, one hundred twelve billion, one hundred thirty-two million, three hundred eleven thousand, twenty-one".