1122131222111 has 8 divisors (see below), whose sum is σ = 1130033232000. Its totient is φ = 1114247358360.

The previous prime is 1122131222087. The next prime is 1122131222137. The reversal of 1122131222111 is 1112221312211.

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 1122131222111 - 2³⁴ = 1104951352927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122131222141) 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, 4412411 + ... + 4659788.

It is an arithmetic number, because the mean of its divisors is an integer number (141254154000).

Almost surely, 2^{1122131222111} is an apocalyptic number.

1122131222111 is a deficient number, since it is larger than the sum of its proper divisors (7902009889).

1122131222111 is an equidigital number, since it uses as much as digits as its factorization.

1122131222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9073069.

The product of its digits is 96, while the sum is 20.

Adding to 1122131222111 its reverse (1112221312211), we get a palindrome (2234352534322).

The spelling of 1122131222111 in words is "one trillion, one hundred twenty-two billion, one hundred thirty-one million, two hundred twenty-two thousand, one hundred eleven".