20113211050099 has 2 divisors, whose sum is σ = 20113211050100. Its totient is φ = 20113211050098.

The previous prime is 20113211050061. The next prime is 20113211050181. The reversal of 20113211050099 is 99005011231102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20113211050099 - 2⁹ = 20113211049587 is a prime.

It is not a weakly prime, because it can be changed into another prime (20113211054099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056605525049 + 10056605525050.

It is an arithmetic number, because the mean of its divisors is an integer number (10056605525050).

Almost surely, 2^{20113211050099} is an apocalyptic number.

20113211050099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113211050099 is an equidigital number, since it uses as much as digits as its factorization.

20113211050099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 34.

The spelling of 20113211050099 in words is "twenty trillion, one hundred thirteen billion, two hundred eleven million, fifty thousand, ninety-nine".