1112120100209 has 8 divisors (see below), whose sum is σ = 1113161841792. Its totient is φ = 1111078494720.

The previous prime is 1112120100199. The next prime is 1112120100211. The reversal of 1112120100209 is 9020010212111.

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-1112120100209 is a prime.

It is a super-2 number, since 2×1112120100209² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1112120100229) 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, 24225812 + ... + 24271674.

It is an arithmetic number, because the mean of its divisors is an integer number (139145230224).

Almost surely, 2^{1112120100209} is an apocalyptic number.

It is an amenable number.

1112120100209 is a deficient number, since it is larger than the sum of its proper divisors (1041741583).

1112120100209 is a wasteful number, since it uses less digits than its factorization.

1112120100209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68047.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 1112120100209 in words is "one trillion, one hundred twelve billion, one hundred twenty million, one hundred thousand, two hundred nine".