20212113310399 has 2 divisors, whose sum is σ = 20212113310400. Its totient is φ = 20212113310398.

The previous prime is 20212113310387. The next prime is 20212113310427. The reversal of 20212113310399 is 99301331121202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20212113310399 - 2⁷ = 20212113310271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20212143310399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106056655199 + 10106056655200.

It is an arithmetic number, because the mean of its divisors is an integer number (10106056655200).

Almost surely, 2^{20212113310399} is an apocalyptic number.

20212113310399 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212113310399 is an equidigital number, since it uses as much as digits as its factorization.

20212113310399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 20212113310399 in words is "twenty trillion, two hundred twelve billion, one hundred thirteen million, three hundred ten thousand, three hundred ninety-nine".