11201001220999 has 2 divisors, whose sum is σ = 11201001221000. Its totient is φ = 11201001220998.

The previous prime is 11201001220963. The next prime is 11201001221017. The reversal of 11201001220999 is 99902210010211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11201001220999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11201001226999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600500610499 + 5600500610500.

It is an arithmetic number, because the mean of its divisors is an integer number (5600500610500).

Almost surely, 2^{11201001220999} is an apocalyptic number.

11201001220999 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201001220999 is an equidigital number, since it uses as much as digits as its factorization.

11201001220999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 37.

The spelling of 11201001220999 in words is "eleven trillion, two hundred one billion, one million, two hundred twenty thousand, nine hundred ninety-nine".