21342132201 has 16 divisors (see below), whose sum is σ = 30942644096. Its totient is φ = 13006106496.

The previous prime is 21342132191. The next prime is 21342132241. The reversal of 21342132201 is 10223124312.

It is not a de Polignac number, because 21342132201 - 2¹⁵ = 21342099433 is a prime.

It is a super-2 number, since 2×21342132201² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21342132241) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2652460 + ... + 2660493.

It is an arithmetic number, because the mean of its divisors is an integer number (1933915256).

Almost surely, 2^21342132201 is an apocalyptic number.

It is an amenable number.

21342132201 is a deficient number, since it is larger than the sum of its proper divisors (9600511895).

21342132201 is a wasteful number, since it uses less digits than its factorization.

21342132201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5313072.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21342132201 its reverse (10223124312), we get a palindrome (31565256513).

The spelling of 21342132201 in words is "twenty-one billion, three hundred forty-two million, one hundred thirty-two thousand, two hundred one".