221021300223322 has 16 divisors (see below), whose sum is σ = 333736569274752. Its totient is φ = 109775816794800.

The previous prime is 221021300223257. The next prime is 221021300223331. The reversal of 221021300223322 is 223322003120122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1268643 + ... + 21063049.

It is an arithmetic number, because the mean of its divisors is an integer number (20858535579672).

Almost surely, 2^{221021300223322} is an apocalyptic number.

221021300223322 is a deficient number, since it is larger than the sum of its proper divisors (112715269051430).

221021300223322 is a wasteful number, since it uses less digits than its factorization.

221021300223322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19831533.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 221021300223322 its reverse (223322003120122), we get a palindrome (444343303343444).

The spelling of 221021300223322 in words is "two hundred twenty-one trillion, twenty-one billion, three hundred million, two hundred twenty-three thousand, three hundred twenty-two".