10101211301999 has 2 divisors, whose sum is σ = 10101211302000. Its totient is φ = 10101211301998.

The previous prime is 10101211301981. The next prime is 10101211302031. The reversal of 10101211301999 is 99910311210101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10101211301999 - 2⁸ = 10101211301743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10101211501999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050605650999 + 5050605651000.

It is an arithmetic number, because the mean of its divisors is an integer number (5050605651000).

Almost surely, 2^{10101211301999} is an apocalyptic number.

10101211301999 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101211301999 is an equidigital number, since it uses as much as digits as its factorization.

10101211301999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 38.

The spelling of 10101211301999 in words is "ten trillion, one hundred one billion, two hundred eleven million, three hundred one thousand, nine hundred ninety-nine".