1122111042113 has 4 divisors (see below), whose sum is σ = 1188117574020. Its totient is φ = 1056104510208.

The previous prime is 1122111042103. The next prime is 1122111042127. The reversal of 1122111042113 is 3112401112211.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1038652454449 + 83458587664 = 1019143^2 + 288892^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122111042113 - 2¹⁰ = 1122111041089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122111042103) 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, 33003265928 + ... + 33003265961.

It is an arithmetic number, because the mean of its divisors is an integer number (297029393505).

Almost surely, 2^{1122111042113} is an apocalyptic number.

It is an amenable number.

1122111042113 is a deficient number, since it is larger than the sum of its proper divisors (66006531907).

1122111042113 is an equidigital number, since it uses as much as digits as its factorization.

1122111042113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66006531906.

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

Adding to 1122111042113 its reverse (3112401112211), we get a palindrome (4234512154324).

The spelling of 1122111042113 in words is "one trillion, one hundred twenty-two billion, one hundred eleven million, forty-two thousand, one hundred thirteen".