212221102099 has 2 divisors, whose sum is σ = 212221102100. Its totient is φ = 212221102098.

The previous prime is 212221102039. The next prime is 212221102123. The reversal of 212221102099 is 990201122212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212221102099 - 2¹³ = 212221093907 is a prime.

It is a super-2 number, since 2×212221102099² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212221102099.

It is not a weakly prime, because it can be changed into another prime (212221102019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106110551049 + 106110551050.

It is an arithmetic number, because the mean of its divisors is an integer number (106110551050).

Almost surely, 2^212221102099 is an apocalyptic number.

212221102099 is a deficient number, since it is larger than the sum of its proper divisors (1).

212221102099 is an equidigital number, since it uses as much as digits as its factorization.

212221102099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 212221102099 in words is "two hundred twelve billion, two hundred twenty-one million, one hundred two thousand, ninety-nine".