22221210110 has 64 divisors (see below), whose sum is σ = 45562258944. Its totient is φ = 7723900800.

The previous prime is 22221210107. The next prime is 22221210131. The reversal of 22221210110 is 1101212222.

It is a congruent 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, 7378505 + ... + 7381515.

It is an arithmetic number, because the mean of its divisors is an integer number (711910296).

Almost surely, 2^22221210110 is an apocalyptic number.

22221210110 is an abundant number, since it is smaller than the sum of its proper divisors (23341048834).

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

22221210110 is a wasteful number, since it uses less digits than its factorization.

22221210110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5969.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22221210110 its reverse (1101212222), we get a palindrome (23322422332).

The spelling of 22221210110 in words is "twenty-two billion, two hundred twenty-one million, two hundred ten thousand, one hundred ten".