112123202311 has 4 divisors (see below), whose sum is σ = 112125110800. Its totient is φ = 112121293824.

The previous prime is 112123202207. The next prime is 112123202327. The reversal of 112123202311 is 113202321211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112123202311 - 2¹⁷ = 112123071239 is a prime.

It is a super-2 number, since 2×112123202311² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112123202351) 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, 863226 + ... + 984583.

It is an arithmetic number, because the mean of its divisors is an integer number (28031277700).

Almost surely, 2^112123202311 is an apocalyptic number.

112123202311 is a deficient number, since it is larger than the sum of its proper divisors (1908489).

112123202311 is an equidigital number, since it uses as much as digits as its factorization.

112123202311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908488.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 112123202311 its reverse (113202321211), we get a palindrome (225325523522).

The spelling of 112123202311 in words is "one hundred twelve billion, one hundred twenty-three million, two hundred two thousand, three hundred eleven".