11112223201 has 4 divisors (see below), whose sum is σ = 11114281492. Its totient is φ = 11110164912.

The previous prime is 11112223193. The next prime is 11112223223. The reversal of 11112223201 is 10232221111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 966899025 + 10145324176 = 31095^2 + 100724^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112223201 - 2³ = 11112223193 is a prime.

It is a super-3 number, since 3×11112223201³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112223231) 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, 1021026 + ... + 1031851.

It is an arithmetic number, because the mean of its divisors is an integer number (2778570373).

Almost surely, 2^11112223201 is an apocalyptic number.

It is an amenable number.

11112223201 is a deficient number, since it is larger than the sum of its proper divisors (2058291).

11112223201 is an equidigital number, since it uses as much as digits as its factorization.

11112223201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058290.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11112223201 its reverse (10232221111), we get a palindrome (21344444312).

The spelling of 11112223201 in words is "eleven billion, one hundred twelve million, two hundred twenty-three thousand, two hundred one".