1112201013221 has 8 divisors (see below), whose sum is σ = 1206347154264. Its totient is φ = 1021246266880.

The previous prime is 1112201013179. The next prime is 1112201013247. The reversal of 1112201013221 is 1223101022111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4423713121 + 1107777300100 = 66511^2 + 1052510^2 .

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 1112201013221 - 2³⁴ = 1095021144037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 1112201013221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112201313221) 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, 797847950 + ... + 797849343.

It is an arithmetic number, because the mean of its divisors is an integer number (150793394283).

Almost surely, 2^{1112201013221} is an apocalyptic number.

It is an amenable number.

1112201013221 is a deficient number, since it is larger than the sum of its proper divisors (94146141043).

1112201013221 is a wasteful number, since it uses less digits than its factorization.

1112201013221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595697351.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1112201013221 its reverse (1223101022111), we get a palindrome (2335302035332).

The spelling of 1112201013221 in words is "one trillion, one hundred twelve billion, two hundred one million, thirteen thousand, two hundred twenty-one".