111011122010201 has 6 divisors (see below), whose sum is σ = 129135386828250. Its totient is φ = 95152390294416.

The previous prime is 111011122010099. The next prime is 111011122010207. The reversal of 111011122010201 is 102010221110111.

It can be written as a sum of positive squares in only one way, i.e., 106182225634576 + 4828896375625 = 10304476^2 + 2197475^2 .

It is not a de Polignac number, because 111011122010201 - 2¹⁴ = 111011121993817 is a prime.

It is a super-2 number, since 2×111011122010201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111011122010207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1132766551076 + ... + 1132766551173.

It is an arithmetic number, because the mean of its divisors is an integer number (21522564471375).

Almost surely, 2^{111011122010201} is an apocalyptic number.

It is an amenable number.

111011122010201 is a deficient number, since it is larger than the sum of its proper divisors (18124264818049).

111011122010201 is an equidigital number, since it uses as much as digits as its factorization.

111011122010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265533102263 (or 2265533102256 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111011122010201 its reverse (102010221110111), we get a palindrome (213021343120312).

The spelling of 111011122010201 in words is "one hundred eleven trillion, eleven billion, one hundred twenty-two million, ten thousand, two hundred one".