2112299999999 has 4 divisors (see below), whose sum is σ = 2414057142864. Its totient is φ = 1810542857136.

The previous prime is 2112299999989. The next prime is 2112300000023. The reversal of 2112299999999 is 9999999922112.

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 2112299999999 - 2²⁸ = 2112031564543 is a prime.

It is a super-2 number, since 2×2112299999999² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

2112299999999 is a modest number, since divided by 9999999 gives 211229 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112299999989) 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, 150878571422 + ... + 150878571435.

It is an arithmetic number, because the mean of its divisors is an integer number (603514285716).

Almost surely, 2^{2112299999999} is an apocalyptic number.

2112299999999 is a deficient number, since it is larger than the sum of its proper divisors (301757142865).

2112299999999 is an equidigital number, since it uses as much as digits as its factorization.

2112299999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301757142864.

The product of its digits is 344373768, while the sum is 80.

The spelling of 2112299999999 in words is "two trillion, one hundred twelve billion, two hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".