111020222201 has 4 divisors (see below), whose sum is σ = 126880253952. Its totient is φ = 95160190452.

The previous prime is 111020222143. The next prime is 111020222207. The reversal of 111020222201 is 102222020111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111020222201 - 2³⁰ = 109946480377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111020222207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7930015865 + ... + 7930015878.

It is an arithmetic number, because the mean of its divisors is an integer number (31720063488).

Almost surely, 2^111020222201 is an apocalyptic number.

It is an amenable number.

111020222201 is a deficient number, since it is larger than the sum of its proper divisors (15860031751).

111020222201 is an equidigital number, since it uses as much as digits as its factorization.

111020222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15860031750.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111020222201 its reverse (102222020111), we get a palindrome (213242242312).

The spelling of 111020222201 in words is "one hundred eleven billion, twenty million, two hundred twenty-two thousand, two hundred one".