22221101110 has 32 divisors (see below), whose sum is σ = 43360051392. Its totient is φ = 8150371200.

The previous prime is 22221101101. The next prime is 22221101131. The reversal of 22221101110 is 1110112222.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546369 + ... + 585628.

It is an arithmetic number, because the mean of its divisors is an integer number (1355001606).

Almost surely, 2^22221101110 is an apocalyptic number.

22221101110 is a deficient number, since it is larger than the sum of its proper divisors (21138950282).

22221101110 is a wasteful number, since it uses less digits than its factorization.

22221101110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132168.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22221101110 its reverse (1110112222), we get a palindrome (23331213332).

The spelling of 22221101110 in words is "twenty-two billion, two hundred twenty-one million, one hundred one thousand, one hundred ten".