111011201000201 has 2 divisors, whose sum is σ = 111011201000202. Its totient is φ = 111011201000200.

The previous prime is 111011201000197. The next prime is 111011201000209. The reversal of 111011201000201 is 102000102110111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87118422375625 + 23892778624576 = 9333725^2 + 4888024^2 .

It is a cyclic number.

It is not a de Polignac number, because 111011201000201 - 2² = 111011201000197 is a prime.

It is a super-3 number, since 3×111011201000201³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (111011201000209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505600500100 + 55505600500101.

It is an arithmetic number, because the mean of its divisors is an integer number (55505600500101).

Almost surely, 2^{111011201000201} is an apocalyptic number.

It is an amenable number.

111011201000201 is a deficient number, since it is larger than the sum of its proper divisors (1).

111011201000201 is an equidigital number, since it uses as much as digits as its factorization.

111011201000201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111011201000201 its reverse (102000102110111), we get a palindrome (213011303110312).

The spelling of 111011201000201 in words is "one hundred eleven trillion, eleven billion, two hundred one million, two hundred one", and thus it is an aban number.