1111312122999 has 32 divisors (see below), whose sum is σ = 1600694430720. Its totient is φ = 681757959168.

The previous prime is 1111312122979. The next prime is 1111312123057. The reversal of 1111312122999 is 9992212131111.

It is not a de Polignac number, because 1111312122999 - 2¹⁹ = 1111311598711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111312122999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111312122959) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62204142 + ... + 62222004.

It is an arithmetic number, because the mean of its divisors is an integer number (50021700960).

Almost surely, 2^{1111312122999} is an apocalyptic number.

1111312122999 is a deficient number, since it is larger than the sum of its proper divisors (489382307721).

1111312122999 is a wasteful number, since it uses less digits than its factorization.

1111312122999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22751.

The product of its digits is 17496, while the sum is 42.

The spelling of 1111312122999 in words is "one trillion, one hundred eleven billion, three hundred twelve million, one hundred twenty-two thousand, nine hundred ninety-nine".