11121412099 has 16 divisors (see below), whose sum is σ = 13166954496. Its totient is φ = 9192254400.

The previous prime is 11121412079. The next prime is 11121412153. The reversal of 11121412099 is 99021412111.

It is not a de Polignac number, because 11121412099 - 2⁵ = 11121412067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

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 11121412099.

It is not an unprimeable number, because it can be changed into a prime (11121412009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30217 + ... + 152170.

It is an arithmetic number, because the mean of its divisors is an integer number (822934656).

Almost surely, 2^11121412099 is an apocalyptic number.

11121412099 is a deficient number, since it is larger than the sum of its proper divisors (2045542397).

11121412099 is a wasteful number, since it uses less digits than its factorization.

11121412099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182706.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 11121412099 in words is "eleven billion, one hundred twenty-one million, four hundred twelve thousand, ninety-nine".