21110201120999 has 2 divisors, whose sum is σ = 21110201121000. Its totient is φ = 21110201120998.

The previous prime is 21110201120989. The next prime is 21110201121067. The reversal of 21110201120999 is 99902110201112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21110201120999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21110201120989) 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, 10555100560499 + 10555100560500.

It is an arithmetic number, because the mean of its divisors is an integer number (10555100560500).

Almost surely, 2^{21110201120999} is an apocalyptic number.

21110201120999 is a deficient number, since it is larger than the sum of its proper divisors (1).

21110201120999 is an equidigital number, since it uses as much as digits as its factorization.

21110201120999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 38.

The spelling of 21110201120999 in words is "twenty-one trillion, one hundred ten billion, two hundred one million, one hundred twenty thousand, nine hundred ninety-nine".