21113102224411 has 2 divisors, whose sum is σ = 21113102224412. Its totient is φ = 21113102224410.

The previous prime is 21113102224363. The next prime is 21113102224439. The reversal of 21113102224411 is 11442220131112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21113102224411 - 2⁷ = 21113102224283 is a prime.

It is not a weakly prime, because it can be changed into another prime (21113102221411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556551112205 + 10556551112206.

It is an arithmetic number, because the mean of its divisors is an integer number (10556551112206).

Almost surely, 2^{21113102224411} is an apocalyptic number.

21113102224411 is a deficient number, since it is larger than the sum of its proper divisors (1).

21113102224411 is an equidigital number, since it uses as much as digits as its factorization.

21113102224411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 21113102224411 its reverse (11442220131112), we get a palindrome (32555322355523).

The spelling of 21113102224411 in words is "twenty-one trillion, one hundred thirteen billion, one hundred two million, two hundred twenty-four thousand, four hundred eleven".