231012100211 has 4 divisors (see below), whose sum is σ = 241056104592. Its totient is φ = 220968095832.

The previous prime is 231012100199. The next prime is 231012100259. The reversal of 231012100211 is 112001210132.

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 231012100211 - 2²² = 231007905907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231012100511) 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, 5022002156 + ... + 5022002201.

It is an arithmetic number, because the mean of its divisors is an integer number (60264026148).

Almost surely, 2^231012100211 is an apocalyptic number.

231012100211 is a deficient number, since it is larger than the sum of its proper divisors (10044004381).

231012100211 is a wasteful number, since it uses less digits than its factorization.

231012100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10044004380.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 231012100211 its reverse (112001210132), we get a palindrome (343013310343).

The spelling of 231012100211 in words is "two hundred thirty-one billion, twelve million, one hundred thousand, two hundred eleven".