2112211100999 has 8 divisors (see below), whose sum is σ = 2119524605328. Its totient is φ = 2104903785600.

The previous prime is 2112211100983. The next prime is 2112211101001. The reversal of 2112211100999 is 9990011122112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112211100999 - 2⁴ = 2112211100983 is a prime.

It is a super-2 number, since 2×2112211100999² (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 (2112211100929) 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, 862952 + ... + 2229149.

It is an arithmetic number, because the mean of its divisors is an integer number (264940575666).

Almost surely, 2^{2112211100999} is an apocalyptic number.

2112211100999 is a deficient number, since it is larger than the sum of its proper divisors (7313504329).

2112211100999 is a wasteful number, since it uses less digits than its factorization.

2112211100999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3094465.

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

The spelling of 2112211100999 in words is "two trillion, one hundred twelve billion, two hundred eleven million, one hundred thousand, nine hundred ninety-nine".