201110221099 has 2 divisors, whose sum is σ = 201110221100. Its totient is φ = 201110221098.

The previous prime is 201110221093. The next prime is 201110221133. The reversal of 201110221099 is 990122011102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201110221099 is a prime.

It is not a weakly prime, because it can be changed into another prime (201110221093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100555110549 + 100555110550.

It is an arithmetic number, because the mean of its divisors is an integer number (100555110550).

Almost surely, 2^201110221099 is an apocalyptic number.

201110221099 is a deficient number, since it is larger than the sum of its proper divisors (1).

201110221099 is an equidigital number, since it uses as much as digits as its factorization.

201110221099 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 201110221099 in words is "two hundred one billion, one hundred ten million, two hundred twenty-one thousand, ninety-nine".