21032112301999 has 2 divisors, whose sum is σ = 21032112302000. Its totient is φ = 21032112301998.

The previous prime is 21032112301987. The next prime is 21032112302017. The reversal of 21032112301999 is 99910321123012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21032112301999 - 2¹³ = 21032112293807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21032112311999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10516056150999 + 10516056151000.

It is an arithmetic number, because the mean of its divisors is an integer number (10516056151000).

Almost surely, 2^{21032112301999} is an apocalyptic number.

21032112301999 is a deficient number, since it is larger than the sum of its proper divisors (1).

21032112301999 is an equidigital number, since it uses as much as digits as its factorization.

21032112301999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 43.

The spelling of 21032112301999 in words is "twenty-one trillion, thirty-two billion, one hundred twelve million, three hundred one thousand, nine hundred ninety-nine".