11110120999 has 2 divisors, whose sum is σ = 11110121000. Its totient is φ = 11110120998.

The previous prime is 11110120979. The next prime is 11110121021. The reversal of 11110120999 is 99902101111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11110120999 - 2¹³ = 11110112807 is a prime.

It is a super-2 number, since 2×11110120999² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11110120939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555060499 + 5555060500.

It is an arithmetic number, because the mean of its divisors is an integer number (5555060500).

Almost surely, 2^11110120999 is an apocalyptic number.

11110120999 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110120999 is an equidigital number, since it uses as much as digits as its factorization.

11110120999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 34.

The spelling of 11110120999 in words is "eleven billion, one hundred ten million, one hundred twenty thousand, nine hundred ninety-nine".