202201221020999 has 16 divisors (see below), whose sum is σ = 212947587108480. Its totient is φ = 191465294300640.

The previous prime is 202201221020987. The next prime is 202201221021013. The reversal of 202201221020999 is 999020122102202.

It is a cyclic number.

It is not a de Polignac number, because 202201221020999 - 2¹² = 202201221016903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202201221020899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375651512 + ... + 376189394.

It is an arithmetic number, because the mean of its divisors is an integer number (13309224194280).

Almost surely, 2^{202201221020999} is an apocalyptic number.

202201221020999 is a deficient number, since it is larger than the sum of its proper divisors (10746366087481).

202201221020999 is a wasteful number, since it uses less digits than its factorization.

202201221020999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547550.

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 202201221020999 in words is "two hundred two trillion, two hundred one billion, two hundred twenty-one million, twenty thousand, nine hundred ninety-nine".