221101112000011 has 2 divisors, whose sum is σ = 221101112000012. Its totient is φ = 221101112000010.

The previous prime is 221101111999979. The next prime is 221101112000063. The reversal of 221101112000011 is 110000211101122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221101112000011 - 2⁵ = 221101111999979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221101111999955 and 221101112000000.

It is not a weakly prime, because it can be changed into another prime (221101112000081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110550556000005 + 110550556000006.

It is an arithmetic number, because the mean of its divisors is an integer number (110550556000006).

Almost surely, 2^{221101112000011} is an apocalyptic number.

221101112000011 is a deficient number, since it is larger than the sum of its proper divisors (1).

221101112000011 is an equidigital number, since it uses as much as digits as its factorization.

221101112000011 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 221101112000011 its reverse (110000211101122), we get a palindrome (331101323101133).

The spelling of 221101112000011 in words is "two hundred twenty-one trillion, one hundred one billion, one hundred twelve million, eleven", and thus it is an aban number.