231122122201219 has 4 divisors (see below), whose sum is σ = 231751882752544. Its totient is φ = 230492361649896.

The previous prime is 231122122201199. The next prime is 231122122201231. The reversal of 231122122201219 is 912102221221132.

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

It is a cyclic number.

It is not a de Polignac number, because 231122122201219 - 2¹⁵ = 231122122168451 is a prime.

It is a super-3 number, since 3×231122122201219³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231122122201259) 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, 314880275112 + ... + 314880275845.

It is an arithmetic number, because the mean of its divisors is an integer number (57937970688136).

Almost surely, 2^{231122122201219} is an apocalyptic number.

231122122201219 is a deficient number, since it is larger than the sum of its proper divisors (629760551325).

231122122201219 is an equidigital number, since it uses as much as digits as its factorization.

231122122201219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629760551324.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 231122122201219 in words is "two hundred thirty-one trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred one thousand, two hundred nineteen".