22221220002110 has 32 divisors (see below), whose sum is σ = 41377787552160. Its totient is φ = 8581917188992.

The previous prime is 22221220002089. The next prime is 22221220002143. The reversal of 22221220002110 is 1120002212222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46599812 + ... + 47074248.

It is an arithmetic number, because the mean of its divisors is an integer number (1293055861005).

Almost surely, 2^{22221220002110} is an apocalyptic number.

22221220002110 is a deficient number, since it is larger than the sum of its proper divisors (19156567550050).

22221220002110 is a wasteful number, since it uses less digits than its factorization.

22221220002110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635980.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22221220002110 its reverse (1120002212222), we get a palindrome (23341222214332).

The spelling of 22221220002110 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred twenty million, two thousand, one hundred ten".