111131012299 has 4 divisors (see below), whose sum is σ = 111225112560. Its totient is φ = 111036912040.

The previous prime is 111131012269. The next prime is 111131012347. The reversal of 111131012299 is 992210131111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 992210131111 = 195023 ⋅5087657.

It is a cyclic number.

It is not a de Polignac number, because 111131012299 - 2¹¹ = 111131010251 is a prime.

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 111131012299.

It is not an unprimeable number, because it can be changed into a prime (111131012269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47048359 + ... + 47050720.

It is an arithmetic number, because the mean of its divisors is an integer number (27806278140).

Almost surely, 2^111131012299 is an apocalyptic number.

111131012299 is a deficient number, since it is larger than the sum of its proper divisors (94100261).

111131012299 is an equidigital number, since it uses as much as digits as its factorization.

111131012299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94100260.

The product of its (nonzero) digits is 972, while the sum is 31.

The spelling of 111131012299 in words is "one hundred eleven billion, one hundred thirty-one million, twelve thousand, two hundred ninety-nine".