221110000102111 has 2 divisors, whose sum is σ = 221110000102112. Its totient is φ = 221110000102110.

The previous prime is 221110000102109. The next prime is 221110000102127. The reversal of 221110000102111 is 111201000011122.

It is a happy number.

221110000102111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221110000102111 - 2¹ = 221110000102109 is a prime.

Together with 221110000102109, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 221110000102091 and 221110000102100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221110000102171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110555000051055 + 110555000051056.

It is an arithmetic number, because the mean of its divisors is an integer number (110555000051056).

Almost surely, 2^{221110000102111} is an apocalyptic number.

221110000102111 is a deficient number, since it is larger than the sum of its proper divisors (1).

221110000102111 is an equidigital number, since it uses as much as digits as its factorization.

221110000102111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 221110000102111 its reverse (111201000011122), we get a palindrome (332311000113233).

The spelling of 221110000102111 in words is "two hundred twenty-one trillion, one hundred ten billion, one hundred two thousand, one hundred eleven".