21110303010 has 64 divisors (see below), whose sum is σ = 55094919552. Its totient is φ = 5155070976.

The previous prime is 21110302931. The next prime is 21110303017. The reversal of 21110303010 is 1030301112.

It is not an unprimeable number, because it can be changed into a prime (21110303017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 540492 + ... + 578231.

It is an arithmetic number, because the mean of its divisors is an integer number (860858118).

Almost surely, 2^21110303010 is an apocalyptic number.

21110303010 is an abundant number, since it is smaller than the sum of its proper divisors (33984616542).

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

21110303010 is a wasteful number, since it uses less digits than its factorization.

21110303010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118787.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 21110303010 its reverse (1030301112), we get a palindrome (22140604122).

The spelling of 21110303010 in words is "twenty-one billion, one hundred ten million, three hundred three thousand, ten".