230111211210020 has 96 divisors (see below), whose sum is σ = 561853268809728. Its totient is φ = 77533595476992.

The previous prime is 230111211209989. The next prime is 230111211210073. The reversal of 230111211210020 is 20012112111032.

It is a happy number.

It is a super-2 number, since 2×230111211210020² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37811252 + ... + 43473131.

It is an arithmetic number, because the mean of its divisors is an integer number (5852638216768).

Almost surely, 2^{230111211210020} is an apocalyptic number.

230111211210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230111211210020 is an abundant number, since it is smaller than the sum of its proper divisors (331742057599708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230111211210020 is a wasteful number, since it uses less digits than its factorization.

230111211210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81284749 (or 81284747 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 230111211210020 its reverse (20012112111032), we get a palindrome (250123323321052).

The spelling of 230111211210020 in words is "two hundred thirty trillion, one hundred eleven billion, two hundred eleven million, two hundred ten thousand, twenty".