111211111200201 has 16 divisors (see below), whose sum is σ = 152349311889600. Its totient is φ = 72132735403008.

The previous prime is 111211111200199. The next prime is 111211111200281. The reversal of 111211111200201 is 102002111112111.

It is not a de Polignac number, because 111211111200201 - 2¹ = 111211111200199 is a prime.

It is a super-2 number, since 2×111211111200201² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111211111200281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3238701196 + ... + 3238735533.

It is an arithmetic number, because the mean of its divisors is an integer number (9521831993100).

Almost surely, 2^{111211111200201} is an apocalyptic number.

It is an amenable number.

111211111200201 is a deficient number, since it is larger than the sum of its proper divisors (41138200689399).

111211111200201 is an equidigital number, since it uses as much as digits as its factorization.

111211111200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6477436888.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111211111200201 its reverse (102002111112111), we get a palindrome (213213222312312).

The spelling of 111211111200201 in words is "one hundred eleven trillion, two hundred eleven billion, one hundred eleven million, two hundred thousand, two hundred one".