1112121200999 has 8 divisors (see below), whose sum is σ = 1156493617920. Its totient is φ = 1068150344800.

The previous prime is 1112121200987. The next prime is 1112121201001. The reversal of 1112121200999 is 9990021212111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112121200999 is a prime.

It is a super-2 number, since 2×1112121200999² (a number of 25 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 (1112121200909) 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, 100384532 + ... + 100395609.

It is an arithmetic number, because the mean of its divisors is an integer number (144561702240).

Almost surely, 2^{1112121200999} is an apocalyptic number.

1112121200999 is a deficient number, since it is larger than the sum of its proper divisors (44372416921).

1112121200999 is a wasteful number, since it uses less digits than its factorization.

1112121200999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200780361.

The product of its (nonzero) digits is 5832, while the sum is 38.

The spelling of 1112121200999 in words is "one trillion, one hundred twelve billion, one hundred twenty-one million, two hundred thousand, nine hundred ninety-nine".