201432222201 has 16 divisors (see below), whose sum is σ = 306976302464. Its totient is φ = 115092140544.

The previous prime is 201432222143. The next prime is 201432222217. The reversal of 201432222201 is 102222234102.

It is not a de Polignac number, because 201432222201 - 2¹⁸ = 201431960057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201432222281) 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 15 ways as a sum of consecutive naturals, for example, 290950 + ... + 698223.

It is an arithmetic number, because the mean of its divisors is an integer number (19186018904).

Almost surely, 2^201432222201 is an apocalyptic number.

201432222201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

201432222201 is a deficient number, since it is larger than the sum of its proper divisors (105544080263).

201432222201 is an equidigital number, since it uses as much as digits as its factorization.

201432222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998880.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 201432222201 its reverse (102222234102), we get a palindrome (303654456303).

The spelling of 201432222201 in words is "two hundred one billion, four hundred thirty-two million, two hundred twenty-two thousand, two hundred one".