20011210200199 has 2 divisors, whose sum is σ = 20011210200200. Its totient is φ = 20011210200198.

The previous prime is 20011210200133. The next prime is 20011210200227. The reversal of 20011210200199 is 99100201211002.

It is an a-pointer prime, because the next prime (20011210200227) can be obtained adding 20011210200199 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20011210200199 - 2¹⁹ = 20011209675911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20011210200109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005605100099 + 10005605100100.

It is an arithmetic number, because the mean of its divisors is an integer number (10005605100100).

Almost surely, 2^{20011210200199} is an apocalyptic number.

20011210200199 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011210200199 is an equidigital number, since it uses as much as digits as its factorization.

20011210200199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 20011210200199 in words is "twenty trillion, eleven billion, two hundred ten million, two hundred thousand, one hundred ninety-nine".