201221000122102 has 8 divisors (see below), whose sum is σ = 301938041490696. Its totient is φ = 100574986291872.

The previous prime is 201221000122097. The next prime is 201221000122117.

It is a happy number.

201221000122102 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17756877508 + ... + 17756888839.

It is an arithmetic number, because the mean of its divisors is an integer number (37742255186337).

Almost surely, 2^{201221000122102} is an apocalyptic number.

201221000122102 is a deficient number, since it is larger than the sum of its proper divisors (100717041368594).

201221000122102 is a wasteful number, since it uses less digits than its factorization.

201221000122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35513769182.

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

It can be divided in two parts, 201221000 and 122102, that added together give a palindrome (201343102).

The spelling of 201221000122102 in words is "two hundred one trillion, two hundred twenty-one billion, one hundred twenty-two thousand, one hundred two".