1112021122211 has 2 divisors, whose sum is σ = 1112021122212. Its totient is φ = 1112021122210.

The previous prime is 1112021122207. The next prime is 1112021122259. The reversal of 1112021122211 is 1122211202111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1112021122211 - 2² = 1112021122207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1112021122211.

It is not a weakly prime, because it can be changed into another prime (1112021122411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556010561105 + 556010561106.

It is an arithmetic number, because the mean of its divisors is an integer number (556010561106).

Almost surely, 2^{1112021122211} is an apocalyptic number.

1112021122211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112021122211 is an equidigital number, since it uses as much as digits as its factorization.

1112021122211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1112021122211 its reverse (1122211202111), we get a palindrome (2234232324322).

The spelling of 1112021122211 in words is "one trillion, one hundred twelve billion, twenty-one million, one hundred twenty-two thousand, two hundred eleven".