210221000111099 has 16 divisors (see below), whose sum is σ = 224788930944000. Its totient is φ = 196158717891360.

The previous prime is 210221000111011. The next prime is 210221000111137. The reversal of 210221000111099 is 990111000122012.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210221000111099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210221000119099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157548569 + ... + 158877290.

It is an arithmetic number, because the mean of its divisors is an integer number (14049308184000).

Almost surely, 2^{210221000111099} is an apocalyptic number.

210221000111099 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

210221000111099 is a deficient number, since it is larger than the sum of its proper divisors (14567930832901).

210221000111099 is a wasteful number, since it uses less digits than its factorization.

210221000111099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316426658.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 210221000111099 in words is "two hundred ten trillion, two hundred twenty-one billion, one hundred eleven thousand, ninety-nine".