221112231301 has 8 divisors (see below), whose sum is σ = 238345309944. Its totient is φ = 203911216320.

The previous prime is 221112231299. The next prime is 221112231377. The reversal of 221112231301 is 103132211122.

It can be written as a sum of positive squares in 4 ways, for example, as 6395840676 + 214716390625 = 79974^2 + 463375^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221112231301 - 2¹ = 221112231299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221112331301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8001586 + ... + 8029171.

It is an arithmetic number, because the mean of its divisors is an integer number (29793163743).

Almost surely, 2^221112231301 is an apocalyptic number.

It is an amenable number.

221112231301 is a deficient number, since it is larger than the sum of its proper divisors (17233078643).

221112231301 is a wasteful number, since it uses less digits than its factorization.

221112231301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16031831.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 221112231301 its reverse (103132211122), we get a palindrome (324244442423).

The spelling of 221112231301 in words is "two hundred twenty-one billion, one hundred twelve million, two hundred thirty-one thousand, three hundred one".