231203010110021 has 8 divisors (see below), whose sum is σ = 232687470096000. Its totient is φ = 229722859152640.

The previous prime is 231203010110011. The next prime is 231203010110027. The reversal of 231203010110021 is 120011010302132.

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 231203010110021 - 2¹⁰ = 231203010108997 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 (231203010110027) 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, 1077149495 + ... + 1077364116.

It is an arithmetic number, because the mean of its divisors is an integer number (29085933762000).

Almost surely, 2^{231203010110021} is an apocalyptic number.

It is an amenable number.

231203010110021 is a deficient number, since it is larger than the sum of its proper divisors (1484459985979).

231203010110021 is a wasteful number, since it uses less digits than its factorization.

231203010110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154514299.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 231203010110021 its reverse (120011010302132), we get a palindrome (351214020412153).

The spelling of 231203010110021 in words is "two hundred thirty-one trillion, two hundred three billion, ten million, one hundred ten thousand, twenty-one".