21230110030 has 32 divisors (see below), whose sum is σ = 38892672000. Its totient is φ = 8342354592.

The previous prime is 21230109997. The next prime is 21230110087. The reversal of 21230110030 is 3001103212.

It is a congruent 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, 89689 + ... + 224731.

It is an arithmetic number, because the mean of its divisors is an integer number (1215396000).

Almost surely, 2^21230110030 is an apocalyptic number.

21230110030 is a deficient number, since it is larger than the sum of its proper divisors (17662561970).

21230110030 is a wasteful number, since it uses less digits than its factorization.

21230110030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135328.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 21230110030 its reverse (3001103212), we get a palindrome (24231213242).

The spelling of 21230110030 in words is "twenty-one billion, two hundred thirty million, one hundred ten thousand, thirty".