231012010201111 has 4 divisors (see below), whose sum is σ = 231082634481424. Its totient is φ = 230941385920800.

The previous prime is 231012010201099. The next prime is 231012010201117. The reversal of 231012010201111 is 111102010210132.

It is a happy number.

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 231012010201111 - 2²⁵ = 231011976646679 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 (231012010201117) 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, 35312135250 + ... + 35312141791.

It is an arithmetic number, because the mean of its divisors is an integer number (57770658620356).

Almost surely, 2^{231012010201111} is an apocalyptic number.

231012010201111 is a deficient number, since it is larger than the sum of its proper divisors (70624280313).

231012010201111 is an equidigital number, since it uses as much as digits as its factorization.

231012010201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70624280312.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 231012010201111 its reverse (111102010210132), we get a palindrome (342114020411243).

The spelling of 231012010201111 in words is "two hundred thirty-one trillion, twelve billion, ten million, two hundred one thousand, one hundred eleven".