1121222199 has 8 divisors (see below), whose sum is σ = 1582902000. Its totient is φ = 703511936.

The previous prime is 1121222197. The next prime is 1121222209. The reversal of 1121222199 is 9912221211.

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 1121222199 - 2¹ = 1121222197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121222197) 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 7 ways as a sum of consecutive naturals, for example, 10992324 + ... + 10992425.

It is an arithmetic number, because the mean of its divisors is an integer number (197862750).

Almost surely, 2^1121222199 is an apocalyptic number.

1121222199 is a deficient number, since it is larger than the sum of its proper divisors (461679801).

1121222199 is a wasteful number, since it uses less digits than its factorization.

1121222199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21984769.

The product of its digits is 1296, while the sum is 30.

The square root of 1121222199 is about 33484.6561726412. The cubic root of 1121222199 is about 1038.8764366825.

It can be divided in two parts, 11212 and 22199, that added together give a triangular number (33411 = T₂₅₈).

The spelling of 1121222199 in words is "one billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred ninety-nine".