21301112232231 has 8 divisors (see below), whose sum is σ = 30586212436080. Its totient is φ = 13108376758272.

The previous prime is 21301112232203. The next prime is 21301112232241. The reversal of 21301112232231 is 13223221110312.

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

It is not a de Polignac number, because 21301112232231 - 2⁹ = 21301112231719 is a prime.

It is a super-2 number, since 2×21301112232231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21301112232241) 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, 273091182426 + ... + 273091182503.

It is an arithmetic number, because the mean of its divisors is an integer number (3823276554510).

Almost surely, 2^{21301112232231} is an apocalyptic number.

21301112232231 is a deficient number, since it is larger than the sum of its proper divisors (9285100203849).

21301112232231 is a wasteful number, since it uses less digits than its factorization.

21301112232231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546182364945.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 21301112232231 its reverse (13223221110312), we get a palindrome (34524333342543).

The spelling of 21301112232231 in words is "twenty-one trillion, three hundred one billion, one hundred twelve million, two hundred thirty-two thousand, two hundred thirty-one".