221101220020022 has 16 divisors (see below), whose sum is σ = 332735272013760. Its totient is φ = 110189469485448.

The previous prime is 221101220019989. The next prime is 221101220020061. The reversal of 221101220020022 is 220020022101122.

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, 65517629 + ... + 68809607.

It is an arithmetic number, because the mean of its divisors is an integer number (20795954500860).

Almost surely, 2^{221101220020022} is an apocalyptic number.

221101220020022 is a deficient number, since it is larger than the sum of its proper divisors (111634051993738).

221101220020022 is a wasteful number, since it uses less digits than its factorization.

221101220020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3401675.

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

Adding to 221101220020022 its reverse (220020022101122), we get a palindrome (441121242121144).

The spelling of 221101220020022 in words is "two hundred twenty-one trillion, one hundred one billion, two hundred twenty million, twenty thousand, twenty-two".