21233122199 has 8 divisors (see below), whose sum is σ = 21467689488. Its totient is φ = 20998874880.

The previous prime is 21233122171. The next prime is 21233122217. The reversal of 21233122199 is 99122133212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21233122199 - 2¹² = 21233118103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233142199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54704 + ... + 213210.

It is an arithmetic number, because the mean of its divisors is an integer number (2683461186).

Almost surely, 2^21233122199 is an apocalyptic number.

21233122199 is a deficient number, since it is larger than the sum of its proper divisors (234567289).

21233122199 is a wasteful number, since it uses less digits than its factorization.

21233122199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159985.

The product of its digits is 11664, while the sum is 35.

The spelling of 21233122199 in words is "twenty-one billion, two hundred thirty-three million, one hundred twenty-two thousand, one hundred ninety-nine".