221101223232011 has 2 divisors, whose sum is σ = 221101223232012. Its totient is φ = 221101223232010.

The previous prime is 221101223231981. The next prime is 221101223232041. The reversal of 221101223232011 is 110232322101122.

It is a balanced prime because it is at equal distance from previous prime (221101223231981) and next prime (221101223232041).

It is a cyclic number.

It is not a de Polignac number, because 221101223232011 - 2³⁴ = 221084043362827 is a prime.

It is not a weakly prime, because it can be changed into another prime (221101223232041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110550611616005 + 110550611616006.

It is an arithmetic number, because the mean of its divisors is an integer number (110550611616006).

Almost surely, 2^{221101223232011} is an apocalyptic number.

221101223232011 is a deficient number, since it is larger than the sum of its proper divisors (1).

221101223232011 is an equidigital number, since it uses as much as digits as its factorization.

221101223232011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 221101223232011 its reverse (110232322101122), we get a palindrome (331333545333133).

The spelling of 221101223232011 in words is "two hundred twenty-one trillion, one hundred one billion, two hundred twenty-three million, two hundred thirty-two thousand, eleven".