2221222220110 has 128 divisors (see below), whose sum is σ = 4174317721728. Its totient is φ = 850397184000.

The previous prime is 2221222220051. The next prime is 2221222220131. The reversal of 2221222220110 is 110222221222.

It is a super-2 number, since 2×2221222220110² (a number of 25 digits) contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 2032224724 + ... + 2032225816.

It is an arithmetic number, because the mean of its divisors is an integer number (32611857201).

Almost surely, 2^{2221222220110} is an apocalyptic number.

2221222220110 is a deficient number, since it is larger than the sum of its proper divisors (1953095501618).

2221222220110 is a wasteful number, since it uses less digits than its factorization.

2221222220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2221222220110 its reverse (110222221222), we get a palindrome (2331444441332).

The spelling of 2221222220110 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred twenty thousand, one hundred ten".