230211111203111 has 4 divisors (see below), whose sum is σ = 230213238306912. Its totient is φ = 230208984099312.

The previous prime is 230211111203081. The next prime is 230211111203113. The reversal of 230211111203111 is 111302111112032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230211111203111 is a prime.

It is a super-2 number, since 2×230211111203111² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230211111203113) 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, 1063389551 + ... + 1063606016.

It is an arithmetic number, because the mean of its divisors is an integer number (57553309576728).

Almost surely, 2^{230211111203111} is an apocalyptic number.

230211111203111 is a deficient number, since it is larger than the sum of its proper divisors (2127103801).

230211111203111 is a wasteful number, since it uses less digits than its factorization.

230211111203111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127103800.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 230211111203111 its reverse (111302111112032), we get a palindrome (341513222315143).

The spelling of 230211111203111 in words is "two hundred thirty trillion, two hundred eleven billion, one hundred eleven million, two hundred three thousand, one hundred eleven".