1112031220213 has 8 divisors (see below), whose sum is σ = 1183421702232. Its totient is φ = 1041304836096.

The previous prime is 1112031220211. The next prime is 1112031220219. The reversal of 1112031220213 is 3120221302111.

It can be written as a sum of positive squares in 4 ways, for example, as 512803506609 + 599227713604 = 716103^2 + 774098^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1112031220213 - 2¹ = 1112031220211 is a prime.

It is a super-2 number, since 2×1112031220213² (a number of 25 digits) contains 22 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 (1112031220211) 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, 166021020 + ... + 166027717.

It is an arithmetic number, because the mean of its divisors is an integer number (147927712779).

Almost surely, 2^{1112031220213} is an apocalyptic number.

It is an amenable number.

1112031220213 is a deficient number, since it is larger than the sum of its proper divisors (71390482019).

1112031220213 is a wasteful number, since it uses less digits than its factorization.

1112031220213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332048951.

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

Adding to 1112031220213 its reverse (3120221302111), we get a palindrome (4232252522324).

The spelling of 1112031220213 in words is "one trillion, one hundred twelve billion, thirty-one million, two hundred twenty thousand, two hundred thirteen".