221221200120022 has 32 divisors (see below), whose sum is σ = 363472675859520. Its totient is φ = 100512695162880.

The previous prime is 221221200120013. The next prime is 221221200120043. The reversal of 221221200120022 is 220021002122122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61206247 + ... + 64719757.

It is an arithmetic number, because the mean of its divisors is an integer number (11358521120610).

Almost surely, 2^{221221200120022} is an apocalyptic number.

221221200120022 is a deficient number, since it is larger than the sum of its proper divisors (142251475739498).

221221200120022 is a wasteful number, since it uses less digits than its factorization.

221221200120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3577416.

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

Adding to 221221200120022 its reverse (220021002122122), we get a palindrome (441242202242144).

The spelling of 221221200120022 in words is "two hundred twenty-one trillion, two hundred twenty-one billion, two hundred million, one hundred twenty thousand, twenty-two".