221022001022110 has 16 divisors (see below), whose sum is σ = 397843254677232. Its totient is φ = 88407988667200.

The previous prime is 221022001022063. The next prime is 221022001022111. The reversal of 221022001022110 is 11220100220122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221022001022111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100323511 + ... + 102502930.

It is an arithmetic number, because the mean of its divisors is an integer number (24865203417327).

Almost surely, 2^{221022001022110} is an apocalyptic number.

221022001022110 is a deficient number, since it is larger than the sum of its proper divisors (176821253655122).

221022001022110 is a wasteful number, since it uses less digits than its factorization.

221022001022110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202935419.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221022001022110 its reverse (11220100220122), we get a palindrome (232242101242232).

The spelling of 221022001022110 in words is "two hundred twenty-one trillion, twenty-two billion, one million, twenty-two thousand, one hundred ten".