111060100052821 has 2 divisors, whose sum is σ = 111060100052822. Its totient is φ = 111060100052820.

The previous prime is 111060100052777. The next prime is 111060100052843. The reversal of 111060100052821 is 128250001060111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78704594576721 + 32355505476100 = 8871561^2 + 5688190^2 .

It is a cyclic number.

It is not a de Polignac number, because 111060100052821 - 2¹³ = 111060100044629 is a prime.

It is a super-2 number, since 2×111060100052821² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111060100052821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111060110052821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55530050026410 + 55530050026411.

It is an arithmetic number, because the mean of its divisors is an integer number (55530050026411).

Almost surely, 2^{111060100052821} is an apocalyptic number.

It is an amenable number.

111060100052821 is a deficient number, since it is larger than the sum of its proper divisors (1).

111060100052821 is an equidigital number, since it uses as much as digits as its factorization.

111060100052821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 28.

The spelling of 111060100052821 in words is "one hundred eleven trillion, sixty billion, one hundred million, fifty-two thousand, eight hundred twenty-one".