10202121212299 has 2 divisors, whose sum is σ = 10202121212300. Its totient is φ = 10202121212298.

The previous prime is 10202121212263. The next prime is 10202121212317. The reversal of 10202121212299 is 99221212120201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10202121212299 - 2¹¹ = 10202121210251 is a prime.

It is not a weakly prime, because it can be changed into another prime (10202121216299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101060606149 + 5101060606150.

It is an arithmetic number, because the mean of its divisors is an integer number (5101060606150).

Almost surely, 2^{10202121212299} is an apocalyptic number.

10202121212299 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202121212299 is an equidigital number, since it uses as much as digits as its factorization.

10202121212299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 10202121212299 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, two hundred twelve thousand, two hundred ninety-nine".