111020330102221 has 2 divisors, whose sum is σ = 111020330102222. Its totient is φ = 111020330102220.

The previous prime is 111020330102197. The next prime is 111020330102359. The reversal of 111020330102221 is 122201033020111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71708057099721 + 39312273002500 = 8468061^2 + 6269950^2 .

It is a cyclic number.

It is not a de Polignac number, because 111020330102221 - 2⁷ = 111020330102093 is a prime.

It is a super-2 number, since 2×111020330102221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111020330102821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510165051110 + 55510165051111.

It is an arithmetic number, because the mean of its divisors is an integer number (55510165051111).

Almost surely, 2^{111020330102221} is an apocalyptic number.

It is an amenable number.

111020330102221 is a deficient number, since it is larger than the sum of its proper divisors (1).

111020330102221 is an equidigital number, since it uses as much as digits as its factorization.

111020330102221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111020330102221 its reverse (122201033020111), we get a palindrome (233221363122332).

The spelling of 111020330102221 in words is "one hundred eleven trillion, twenty billion, three hundred thirty million, one hundred two thousand, two hundred twenty-one".