231001110121 has 8 divisors (see below), whose sum is σ = 244642319424. Its totient is φ = 217659707760.

The previous prime is 231001110079. The next prime is 231001110157. The reversal of 231001110121 is 121011100132.

It is a happy number.

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 231001110121 - 2⁹ = 231001109609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231001120121) 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, 74950150 + ... + 74953231.

It is an arithmetic number, because the mean of its divisors is an integer number (30580289928).

Almost surely, 2^231001110121 is an apocalyptic number.

It is an amenable number.

231001110121 is a deficient number, since it is larger than the sum of its proper divisors (13641209303).

231001110121 is a wasteful number, since it uses less digits than its factorization.

231001110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149903471.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 231001110121 its reverse (121011100132), we get a palindrome (352012210253).

The spelling of 231001110121 in words is "two hundred thirty-one billion, one million, one hundred ten thousand, one hundred twenty-one".