2112203999 has 2 divisors, whose sum is σ = 2112204000. Its totient is φ = 2112203998.

The previous prime is 2112203993. The next prime is 2112204037. The reversal of 2112203999 is 9993022112.

It is an a-pointer prime, because the next prime (2112204037) can be obtained adding 2112203999 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2112203999 - 2²⁸ = 1843768543 is a prime.

It is a super-2 number, since 2×2112203999² = 8922811466783184002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112203993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056101999 + 1056102000.

It is an arithmetic number, because the mean of its divisors is an integer number (1056102000).

Almost surely, 2^2112203999 is an apocalyptic number.

2112203999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112203999 is an equidigital number, since it uses as much as digits as its factorization.

2112203999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 2112203999 is about 45958.7205979453. The cubic root of 2112203999 is about 1283.0550396201.

The spelling of 2112203999 in words is "two billion, one hundred twelve million, two hundred three thousand, nine hundred ninety-nine".