201223141322101 has 4 divisors (see below), whose sum is σ = 206131022817804. Its totient is φ = 196315259826400.

The previous prime is 201223141322087. The next prime is 201223141322123. The reversal of 201223141322101 is 101223141322102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5283336699601 + 195939804622500 = 2298551^2 + 13997850^2 .

It is a cyclic number.

It is not a de Polignac number, because 201223141322101 - 2¹¹ = 201223141320053 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 (201223141322141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2453940747790 + ... + 2453940747871.

It is an arithmetic number, because the mean of its divisors is an integer number (51532755704451).

Almost surely, 2^{201223141322101} is an apocalyptic number.

It is an amenable number.

201223141322101 is a deficient number, since it is larger than the sum of its proper divisors (4907881495703).

201223141322101 is an equidigital number, since it uses as much as digits as its factorization.

201223141322101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4907881495702.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 201223141322101 its reverse (101223141322102), we get a palindrome (302446282644203).

Subtracting from 201223141322101 its reverse (101223141322102), we obtain a palindrome (99999999999999).

The spelling of 201223141322101 in words is "two hundred one trillion, two hundred twenty-three billion, one hundred forty-one million, three hundred twenty-two thousand, one hundred one".