21223301110 has 32 divisors (see below), whose sum is σ = 41682449664. Its totient is φ = 7716156000.

The previous prime is 21223301087. The next prime is 21223301111. The reversal of 21223301110 is 1110332212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21223301111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732805 + ... + 761215.

It is an arithmetic number, because the mean of its divisors is an integer number (1302576552).

Almost surely, 2^21223301110 is an apocalyptic number.

21223301110 is a deficient number, since it is larger than the sum of its proper divisors (20459148554).

21223301110 is a wasteful number, since it uses less digits than its factorization.

21223301110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35220.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21223301110 its reverse (1110332212), we get a palindrome (22333633322).

The spelling of 21223301110 in words is "twenty-one billion, two hundred twenty-three million, three hundred one thousand, one hundred ten".