230021111130 has 32 divisors (see below), whose sum is σ = 581105966400. Its totient is φ = 58110596352.

The previous prime is 230021111129. The next prime is 230021111147. The reversal of 230021111130 is 31111120032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201772335 + ... + 201773474.

It is an arithmetic number, because the mean of its divisors is an integer number (18159561450).

Almost surely, 2^230021111130 is an apocalyptic number.

230021111130 is an abundant number, since it is smaller than the sum of its proper divisors (351084855270).

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

230021111130 is a wasteful number, since it uses less digits than its factorization.

230021111130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403545838.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 230021111130 its reverse (31111120032), we get a palindrome (261132231162).

The spelling of 230021111130 in words is "two hundred thirty billion, twenty-one million, one hundred eleven thousand, one hundred thirty".