21220022303110 has 32 divisors (see below), whose sum is σ = 39288950249472. Its totient is φ = 8247206980320.

The previous prime is 21220022303021. The next prime is 21220022303111. The reversal of 21220022303110 is 1130322002212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21220022303111) 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, 129103444 + ... + 129267703.

It is an arithmetic number, because the mean of its divisors is an integer number (1227779695296).

Almost surely, 2^{21220022303110} is an apocalyptic number.

21220022303110 is a deficient number, since it is larger than the sum of its proper divisors (18068927946362).

21220022303110 is a wasteful number, since it uses less digits than its factorization.

21220022303110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258371388.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21220022303110 its reverse (1130322002212), we get a palindrome (22350344305322).

The spelling of 21220022303110 in words is "twenty-one trillion, two hundred twenty billion, twenty-two million, three hundred three thousand, one hundred ten".