1110122311211 has 4 divisors (see below), whose sum is σ = 1110211055424. Its totient is φ = 1110033567000.

The previous prime is 1110122311201. The next prime is 1110122311229. The reversal of 1110122311211 is 1121132210111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110122311211 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 1110122311211.

It is not an unprimeable number, because it can be changed into a prime (1110122311201) 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, 44353340 + ... + 44378361.

It is an arithmetic number, because the mean of its divisors is an integer number (277552763856).

Almost surely, 2^{1110122311211} is an apocalyptic number.

1110122311211 is a deficient number, since it is larger than the sum of its proper divisors (88744213).

1110122311211 is an equidigital number, since it uses as much as digits as its factorization.

1110122311211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88744212.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 1110122311211 its reverse (1121132210111), we get a palindrome (2231254521322).

The spelling of 1110122311211 in words is "one trillion, one hundred ten billion, one hundred twenty-two million, three hundred eleven thousand, two hundred eleven".