20113211020099 has 2 divisors, whose sum is σ = 20113211020100. Its totient is φ = 20113211020098.

The previous prime is 20113211020061. The next prime is 20113211020171. The reversal of 20113211020099 is 99002011231102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20113211020099 - 2⁷ = 20113211019971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20113211020099.

It is not a weakly prime, because it can be changed into another prime (20113211050099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056605510049 + 10056605510050.

It is an arithmetic number, because the mean of its divisors is an integer number (10056605510050).

Almost surely, 2^{20113211020099} is an apocalyptic number.

20113211020099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113211020099 is an equidigital number, since it uses as much as digits as its factorization.

20113211020099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 20113211020099 in words is "twenty trillion, one hundred thirteen billion, two hundred eleven million, twenty thousand, ninety-nine".