221120220100022 has 16 divisors (see below), whose sum is σ = 331770427338240. Its totient is φ = 110530080764712.

The previous prime is 221120220100019. The next prime is 221120220100033. The reversal of 221120220100022 is 220001022021122.

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 7 ways as a sum of consecutive naturals, for example, 143201879 + ... + 144737757.

It is an arithmetic number, because the mean of its divisors is an integer number (20735651708640).

Almost surely, 2^{221120220100022} is an apocalyptic number.

221120220100022 is a deficient number, since it is larger than the sum of its proper divisors (110650207238218).

221120220100022 is a wasteful number, since it uses less digits than its factorization.

221120220100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555387.

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

Adding to 221120220100022 its reverse (220001022021122), we get a palindrome (441121242121144).

The spelling of 221120220100022 in words is "two hundred twenty-one trillion, one hundred twenty billion, two hundred twenty million, one hundred thousand, twenty-two".