2021299199 has 2 divisors, whose sum is σ = 2021299200. Its totient is φ = 2021299198.

The previous prime is 2021299177. The next prime is 2021299223. The reversal of 2021299199 is 9919921202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2021299199 - 2¹² = 2021295103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021299499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010649599 + 1010649600.

It is an arithmetic number, because the mean of its divisors is an integer number (1010649600).

Almost surely, 2^2021299199 is an apocalyptic number.

2021299199 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021299199 is an equidigital number, since it uses as much as digits as its factorization.

2021299199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 44.

The square root of 2021299199 is about 44958.8611844206. The cubic root of 2021299199 is about 1264.3778177351.

The spelling of 2021299199 in words is "two billion, twenty-one million, two hundred ninety-nine thousand, one hundred ninety-nine".