1121222299 has 4 divisors (see below), whose sum is σ = 1121346864. Its totient is φ = 1121097736.

The previous prime is 1121222279. The next prime is 1121222327. The reversal of 1121222299 is 9922221211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121222299 - 2⁷ = 1121222171 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 1121222299.

It is not an unprimeable number, because it can be changed into a prime (1121222209) 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, 47632 + ... + 67165.

It is an arithmetic number, because the mean of its divisors is an integer number (280336716).

Almost surely, 2^1121222299 is an apocalyptic number.

1121222299 is a deficient number, since it is larger than the sum of its proper divisors (124565).

1121222299 is an equidigital number, since it uses as much as digits as its factorization.

1121222299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124564.

The product of its digits is 2592, while the sum is 31.

The square root of 1121222299 is about 33484.6576658624. The cubic root of 1121222299 is about 1038.8764675678.

The spelling of 1121222299 in words is "one billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred ninety-nine".