221021102200022 has 16 divisors (see below), whose sum is σ = 331845952347792. Its totient is φ = 110405792088960.

The previous prime is 221021102199971. The next prime is 221021102200057. The reversal of 221021102200022 is 220002201120122.

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, 58894397 + ... + 62534727.

It is an arithmetic number, because the mean of its divisors is an integer number (20740372021737).

Almost surely, 2^{221021102200022} is an apocalyptic number.

221021102200022 is a deficient number, since it is larger than the sum of its proper divisors (110824850147770).

221021102200022 is a wasteful number, since it uses less digits than its factorization.

221021102200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669103.

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

Adding to 221021102200022 its reverse (220002201120122), we get a palindrome (441023303320144).

The spelling of 221021102200022 in words is "two hundred twenty-one trillion, twenty-one billion, one hundred two million, two hundred thousand, twenty-two".