21112210130 has 64 divisors (see below), whose sum is σ = 42216370560. Its totient is φ = 7536844800.

The previous prime is 21112210123. The next prime is 21112210151. The reversal of 21112210130 is 3101221112.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6105362 + ... + 6108818.

It is an arithmetic number, because the mean of its divisors is an integer number (659630790).

Almost surely, 2^21112210130 is an apocalyptic number.

21112210130 is a deficient number, since it is larger than the sum of its proper divisors (21104160430).

21112210130 is a wasteful number, since it uses less digits than its factorization.

21112210130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4475.

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

Adding to 21112210130 its reverse (3101221112), we get a palindrome (24213431242).

The spelling of 21112210130 in words is "twenty-one billion, one hundred twelve million, two hundred ten thousand, one hundred thirty".