2121022233199 has 2 divisors, whose sum is σ = 2121022233200. Its totient is φ = 2121022233198.

The previous prime is 2121022233179. The next prime is 2121022233247. The reversal of 2121022233199 is 9913322201212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2121022233199 - 2⁵ = 2121022233167 is a prime.

It is a super-4 number, since 4×2121022233199⁴ (a number of 50 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121022233179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060511116599 + 1060511116600.

It is an arithmetic number, because the mean of its divisors is an integer number (1060511116600).

Almost surely, 2^{2121022233199} is an apocalyptic number.

2121022233199 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121022233199 is an equidigital number, since it uses as much as digits as its factorization.

2121022233199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 2121022233199 in words is "two trillion, one hundred twenty-one billion, twenty-two million, two hundred thirty-three thousand, one hundred ninety-nine".