21114320010 has 48 divisors (see below), whose sum is σ = 58947738336. Its totient is φ = 4826129952.

The previous prime is 21114319979. The next prime is 21114320021. The reversal of 21114320010 is 1002341112.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7180272 + ... + 7183211.

It is an arithmetic number, because the mean of its divisors is an integer number (1228077882).

Almost surely, 2^21114320010 is an apocalyptic number.

21114320010 is an abundant number, since it is smaller than the sum of its proper divisors (37833418326).

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

21114320010 is a wasteful number, since it uses less digits than its factorization.

21114320010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14363507 (or 14363500 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 21114320010 its reverse (1002341112), we get a palindrome (22116661122).

The spelling of 21114320010 in words is "twenty-one billion, one hundred fourteen million, three hundred twenty thousand, ten".