21033132199 has 2 divisors, whose sum is σ = 21033132200. Its totient is φ = 21033132198.

The previous prime is 21033132193. The next prime is 21033132233. The reversal of 21033132199 is 99123133012.

It is an a-pointer prime, because the next prime (21033132233) can be obtained adding 21033132199 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21033132199 is a prime.

It is a super-2 number, since 2×21033132199² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21033132193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10516566099 + 10516566100.

It is an arithmetic number, because the mean of its divisors is an integer number (10516566100).

Almost surely, 2^21033132199 is an apocalyptic number.

21033132199 is a deficient number, since it is larger than the sum of its proper divisors (1).

21033132199 is an equidigital number, since it uses as much as digits as its factorization.

21033132199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 34.

The spelling of 21033132199 in words is "twenty-one billion, thirty-three million, one hundred thirty-two thousand, one hundred ninety-nine".