1112212113321 has 4 divisors (see below), whose sum is σ = 1482949484432. Its totient is φ = 741474742212.

The previous prime is 1112212113251. The next prime is 1112212113329. The reversal of 1112212113321 is 1233112122111.

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.

It is not a de Polignac number, because 1112212113321 - 2¹⁴ = 1112212096937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112212113329) 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, 185368685551 + ... + 185368685556.

It is an arithmetic number, because the mean of its divisors is an integer number (370737371108).

Almost surely, 2^{1112212113321} is an apocalyptic number.

It is an amenable number.

1112212113321 is a deficient number, since it is larger than the sum of its proper divisors (370737371111).

1112212113321 is an equidigital number, since it uses as much as digits as its factorization.

1112212113321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370737371110.

The product of its digits is 144, while the sum is 21.

Adding to 1112212113321 its reverse (1233112122111), we get a palindrome (2345324235432).

The spelling of 1112212113321 in words is "one trillion, one hundred twelve billion, two hundred twelve million, one hundred thirteen thousand, three hundred twenty-one".