11111212299 has 8 divisors (see below), whose sum is σ = 16161763392. Its totient is φ = 6734068040.

The previous prime is 11111212289. The next prime is 11111212319. The reversal of 11111212299 is 99221211111.

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 11111212299 - 2⁸ = 11111212043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11111212249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168351669 + ... + 168351734.

It is an arithmetic number, because the mean of its divisors is an integer number (2020220424).

Almost surely, 2^11111212299 is an apocalyptic number.

11111212299 is a deficient number, since it is larger than the sum of its proper divisors (5050551093).

11111212299 is a wasteful number, since it uses less digits than its factorization.

11111212299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336703417.

The product of its digits is 648, while the sum is 30.

The spelling of 11111212299 in words is "eleven billion, one hundred eleven million, two hundred twelve thousand, two hundred ninety-nine".