111221022211133 has 2 divisors, whose sum is σ = 111221022211134. Its totient is φ = 111221022211132.

The previous prime is 111221022211069. The next prime is 111221022211139. The reversal of 111221022211133 is 331112220122111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107964506016409 + 3256516194724 = 10390597^2 + 1804582^2 .

It is a cyclic number.

It is not a de Polignac number, because 111221022211133 - 2⁶ = 111221022211069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111221022211099 and 111221022211108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111221022211139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55610511105566 + 55610511105567.

It is an arithmetic number, because the mean of its divisors is an integer number (55610511105567).

Almost surely, 2^{111221022211133} is an apocalyptic number.

It is an amenable number.

111221022211133 is a deficient number, since it is larger than the sum of its proper divisors (1).

111221022211133 is an equidigital number, since it uses as much as digits as its factorization.

111221022211133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 111221022211133 its reverse (331112220122111), we get a palindrome (442333242333244).

The spelling of 111221022211133 in words is "one hundred eleven trillion, two hundred twenty-one billion, twenty-two million, two hundred eleven thousand, one hundred thirty-three".