1121222222313 has 4 divisors (see below), whose sum is σ = 1494962963088. Its totient is φ = 747481481540.

The previous prime is 1121222222303. The next prime is 1121222222321. The reversal of 1121222222313 is 3132222221211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1121222222313 - 2¹⁰ = 1121222221289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121222222303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186870370383 + ... + 186870370388.

It is an arithmetic number, because the mean of its divisors is an integer number (373740740772).

Almost surely, 2^{1121222222313} is an apocalyptic number.

It is an amenable number.

1121222222313 is a deficient number, since it is larger than the sum of its proper divisors (373740740775).

1121222222313 is an equidigital number, since it uses as much as digits as its factorization.

1121222222313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373740740774.

The product of its digits is 1152, while the sum is 24.

Adding to 1121222222313 its reverse (3132222221211), we get a palindrome (4253444443524).

The spelling of 1121222222313 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred twenty-two thousand, three hundred thirteen".