1110121199 has 32 divisors (see below), whose sum is σ = 1320598080. Its totient is φ = 921856000.

The previous prime is 1110121163. The next prime is 1110121237. The reversal of 1110121199 is 9911210111.

It is a cyclic number.

It is not a de Polignac number, because 1110121199 - 2¹⁶ = 1110055663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110123199) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1000457 + ... + 1001565.

It is an arithmetic number, because the mean of its divisors is an integer number (41268690).

Almost surely, 2^1110121199 is an apocalyptic number.

1110121199 is a deficient number, since it is larger than the sum of its proper divisors (210476881).

1110121199 is a wasteful number, since it uses less digits than its factorization.

1110121199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291.

The product of its (nonzero) digits is 162, while the sum is 26.

The square root of 1110121199 is about 33318.4813429424. The cubic root of 1110121199 is about 1035.4364885513.

It can be divided in two parts, 111012 and 1199, that added together give a palindrome (112211).

The spelling of 1110121199 in words is "one billion, one hundred ten million, one hundred twenty-one thousand, one hundred ninety-nine".