100211121611 has 2 divisors, whose sum is σ = 100211121612. Its totient is φ = 100211121610.

The previous prime is 100211121553. The next prime is 100211121629. The reversal of 100211121611 is 116121112001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100211121611 - 2¹⁴ = 100211105227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100211121611.

It is not a weakly prime, because it can be changed into another prime (100211121631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50105560805 + 50105560806.

It is an arithmetic number, because the mean of its divisors is an integer number (50105560806).

Almost surely, 2^100211121611 is an apocalyptic number.

100211121611 is a deficient number, since it is larger than the sum of its proper divisors (1).

100211121611 is an equidigital number, since it uses as much as digits as its factorization.

100211121611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 100211121611 its reverse (116121112001), we get a palindrome (216332233612).

The spelling of 100211121611 in words is "one hundred billion, two hundred eleven million, one hundred twenty-one thousand, six hundred eleven".