21234201162 has 16 divisors (see below), whose sum is σ = 42564273120. Its totient is φ = 7062088592.

The previous prime is 21234201139. The next prime is 21234201187. The reversal of 21234201162 is 26110243212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3991737 + ... + 3997052.

It is an arithmetic number, because the mean of its divisors is an integer number (2660267070).

Almost surely, 2^21234201162 is an apocalyptic number.

21234201162 is an abundant number, since it is smaller than the sum of its proper divisors (21330071958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21234201162 is a wasteful number, since it uses less digits than its factorization.

21234201162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7989237.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21234201162 its reverse (26110243212), we get a palindrome (47344444374).

The spelling of 21234201162 in words is "twenty-one billion, two hundred thirty-four million, two hundred one thousand, one hundred sixty-two".