100221211012211 has 2 divisors, whose sum is σ = 100221211012212. Its totient is φ = 100221211012210.

The previous prime is 100221211012171. The next prime is 100221211012427. The reversal of 100221211012211 is 112210112122001.

It is a weak prime.

It is an emirp because it is prime and its reverse (112210112122001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100221211012211 is a prime.

It is a super-2 number, since 2×100221211012211² (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 100221211012211.

It is not a weakly prime, because it can be changed into another prime (100221211072211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110605506105 + 50110605506106.

It is an arithmetic number, because the mean of its divisors is an integer number (50110605506106).

Almost surely, 2^{100221211012211} is an apocalyptic number.

100221211012211 is a deficient number, since it is larger than the sum of its proper divisors (1).

100221211012211 is an equidigital number, since it uses as much as digits as its factorization.

100221211012211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 100221211012211 its reverse (112210112122001), we get a palindrome (212431323134212).

The spelling of 100221211012211 in words is "one hundred trillion, two hundred twenty-one billion, two hundred eleven million, twelve thousand, two hundred eleven".