113212211999 has 2 divisors, whose sum is σ = 113212212000. Its totient is φ = 113212211998.

The previous prime is 113212211989. The next prime is 113212212013. The reversal of 113212211999 is 999112212311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113212211999 - 2⁸ = 113212211743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113212211989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56606105999 + 56606106000.

It is an arithmetic number, because the mean of its divisors is an integer number (56606106000).

Almost surely, 2^113212211999 is an apocalyptic number.

113212211999 is a deficient number, since it is larger than the sum of its proper divisors (1).

113212211999 is an equidigital number, since it uses as much as digits as its factorization.

113212211999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 41.

The spelling of 113212211999 in words is "one hundred thirteen billion, two hundred twelve million, two hundred eleven thousand, nine hundred ninety-nine".