20011210113199 has 2 divisors, whose sum is σ = 20011210113200. Its totient is φ = 20011210113198.

The previous prime is 20011210113197. The next prime is 20011210113217. The reversal of 20011210113199 is 99131101211002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20011210113199 - 2¹ = 20011210113197 is a prime.

Together with 20011210113197, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20011210113199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20011210113197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005605056599 + 10005605056600.

It is an arithmetic number, because the mean of its divisors is an integer number (10005605056600).

Almost surely, 2^{20011210113199} is an apocalyptic number.

20011210113199 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011210113199 is an equidigital number, since it uses as much as digits as its factorization.

20011210113199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 31.

The spelling of 20011210113199 in words is "twenty trillion, eleven billion, two hundred ten million, one hundred thirteen thousand, one hundred ninety-nine".