21100002210211 has 2 divisors, whose sum is σ = 21100002210212. Its totient is φ = 21100002210210.

The previous prime is 21100002210173. The next prime is 21100002210227. The reversal of 21100002210211 is 11201220000112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21100002210211 - 2¹⁹ = 21100001685923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21100002210191 and 21100002210200.

It is not a weakly prime, because it can be changed into another prime (21100002210311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10550001105105 + 10550001105106.

It is an arithmetic number, because the mean of its divisors is an integer number (10550001105106).

Almost surely, 2^{21100002210211} is an apocalyptic number.

21100002210211 is a deficient number, since it is larger than the sum of its proper divisors (1).

21100002210211 is an equidigital number, since it uses as much as digits as its factorization.

21100002210211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21100002210211 its reverse (11201220000112), we get a palindrome (32301222210323).

The spelling of 21100002210211 in words is "twenty-one trillion, one hundred billion, two million, two hundred ten thousand, two hundred eleven".