20021101011199 has 2 divisors, whose sum is σ = 20021101011200. Its totient is φ = 20021101011198.

The previous prime is 20021101011083. The next prime is 20021101011221. The reversal of 20021101011199 is 99111010112002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20021101011199 - 2⁴³ = 11225007988991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20021101051199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010550505599 + 10010550505600.

It is an arithmetic number, because the mean of its divisors is an integer number (10010550505600).

Almost surely, 2^{20021101011199} is an apocalyptic number.

20021101011199 is a deficient number, since it is larger than the sum of its proper divisors (1).

20021101011199 is an equidigital number, since it uses as much as digits as its factorization.

20021101011199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 28.

The spelling of 20021101011199 in words is "twenty trillion, twenty-one billion, one hundred one million, eleven thousand, one hundred ninety-nine".