20102220111199 has 2 divisors, whose sum is σ = 20102220111200. Its totient is φ = 20102220111198.

The previous prime is 20102220111179. The next prime is 20102220111209. The reversal of 20102220111199 is 99111102220102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20102220111199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20102220111199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20102220111109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051110055599 + 10051110055600.

It is an arithmetic number, because the mean of its divisors is an integer number (10051110055600).

Almost surely, 2^{20102220111199} is an apocalyptic number.

20102220111199 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102220111199 is an equidigital number, since it uses as much as digits as its factorization.

20102220111199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 20102220111199 in words is "twenty trillion, one hundred two billion, two hundred twenty million, one hundred eleven thousand, one hundred ninety-nine".