221002222220110 has 128 divisors (see below), whose sum is σ = 429224916240000. Its totient is φ = 81623814635520.

The previous prime is 221002222220107. The next prime is 221002222220141. The reversal of 221002222220110 is 11022222200122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9257401134 + ... + 9257425006.

It is an arithmetic number, because the mean of its divisors is an integer number (3353319658125).

Almost surely, 2^{221002222220110} is an apocalyptic number.

221002222220110 is a deficient number, since it is larger than the sum of its proper divisors (208222694019890).

221002222220110 is a wasteful number, since it uses less digits than its factorization.

221002222220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26246.

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

Adding to 221002222220110 its reverse (11022222200122), we get a palindrome (232024444420232).

The spelling of 221002222220110 in words is "two hundred twenty-one trillion, two billion, two hundred twenty-two million, two hundred twenty thousand, one hundred ten".