201223322101 has 8 divisors (see below), whose sum is σ = 202910416920. Its totient is φ = 199539391488.

The previous prime is 201223322081. The next prime is 201223322123. The reversal of 201223322101 is 101223322102.

It can be written as a sum of positive squares in 4 ways, for example, as 9489682225 + 191733639876 = 97415^2 + 437874^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 201223322101 - 2¹⁹ = 201222797813 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 (201223322141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663246 + ... + 917791.

It is an arithmetic number, because the mean of its divisors is an integer number (25363802115).

Almost surely, 2^201223322101 is an apocalyptic number.

It is an amenable number.

201223322101 is a deficient number, since it is larger than the sum of its proper divisors (1687094819).

201223322101 is a wasteful number, since it uses less digits than its factorization.

201223322101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582103.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 201223322101 its reverse (101223322102), we get a palindrome (302446644203).

Subtracting from 201223322101 its reverse (101223322102), we obtain a palindrome (99999999999).

The spelling of 201223322101 in words is "two hundred one billion, two hundred twenty-three million, three hundred twenty-two thousand, one hundred one".