111201221022029 has 2 divisors, whose sum is σ = 111201221022030. Its totient is φ = 111201221022028.

The previous prime is 111201221021951. The next prime is 111201221022071. The reversal of 111201221022029 is 920220122102111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109515178502500 + 1686042519529 = 10464950^2 + 1298477^2 .

It is a cyclic number.

It is not a de Polignac number, because 111201221022029 - 2⁸ = 111201221021773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111201221021989 and 111201221022007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111201221042029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600610511014 + 55600610511015.

It is an arithmetic number, because the mean of its divisors is an integer number (55600610511015).

Almost surely, 2^{111201221022029} is an apocalyptic number.

It is an amenable number.

111201221022029 is a deficient number, since it is larger than the sum of its proper divisors (1).

111201221022029 is an equidigital number, since it uses as much as digits as its factorization.

111201221022029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 111201221022029 in words is "one hundred eleven trillion, two hundred one billion, two hundred twenty-one million, twenty-two thousand, twenty-nine".