1121120099 has 32 divisors (see below), whose sum is σ = 1311932160. Its totient is φ = 947376000.

The previous prime is 1121120071. The next prime is 1121120107. The reversal of 1121120099 is 9900211211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121120099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121120899) 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 31 ways as a sum of consecutive naturals, for example, 3651704 + ... + 3652010.

It is an arithmetic number, because the mean of its divisors is an integer number (40997880).

Almost surely, 2^1121120099 is an apocalyptic number.

1121120099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1121120099 is a deficient number, since it is larger than the sum of its proper divisors (190812061).

1121120099 is a wasteful number, since it uses less digits than its factorization.

1121120099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 1121120099 is about 33483.1315590403. The cubic root of 1121120099 is about 1038.8449018972.

It can be divided in two parts, 112 and 1120099, that added together give a palindrome (1120211).

The spelling of 1121120099 in words is "one billion, one hundred twenty-one million, one hundred twenty thousand, ninety-nine".