211211000221099 has 2 divisors, whose sum is σ = 211211000221100. Its totient is φ = 211211000221098.

The previous prime is 211211000221093. The next prime is 211211000221147. The reversal of 211211000221099 is 990122000112112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211211000221099 is a prime.

It is a super-2 number, since 2×211211000221099² (a number of 29 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 211211000221099.

It is not a weakly prime, because it can be changed into another prime (211211000221093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105605500110549 + 105605500110550.

It is an arithmetic number, because the mean of its divisors is an integer number (105605500110550).

Almost surely, 2^{211211000221099} is an apocalyptic number.

211211000221099 is a deficient number, since it is larger than the sum of its proper divisors (1).

211211000221099 is an equidigital number, since it uses as much as digits as its factorization.

211211000221099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 211211000221099 in words is "two hundred eleven trillion, two hundred eleven billion, two hundred twenty-one thousand, ninety-nine".