111034345363021 has 2 divisors, whose sum is σ = 111034345363022. Its totient is φ = 111034345363020.

The previous prime is 111034345363003. The next prime is 111034345363031. The reversal of 111034345363021 is 120363543430111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56896683054121 + 54137662308900 = 7542989^2 + 7357830^2 .

It is an emirp because it is prime and its reverse (120363543430111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111034345363021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111034345363031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55517172681510 + 55517172681511.

It is an arithmetic number, because the mean of its divisors is an integer number (55517172681511).

Almost surely, 2^{111034345363021} is an apocalyptic number.

It is an amenable number.

111034345363021 is a deficient number, since it is larger than the sum of its proper divisors (1).

111034345363021 is an equidigital number, since it uses as much as digits as its factorization.

111034345363021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 37.

Adding to 111034345363021 its reverse (120363543430111), we get a palindrome (231397888793132).

The spelling of 111034345363021 in words is "one hundred eleven trillion, thirty-four billion, three hundred forty-five million, three hundred sixty-three thousand, twenty-one".