21342132322 has 16 divisors (see below), whose sum is σ = 36874598400. Its totient is φ = 9074606688.

The previous prime is 21342132257. The next prime is 21342132347. The reversal of 21342132322 is 22323124312.

It is a super-2 number, since 2×21342132322² (a number of 21 digits) contains 22 as substring.

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, 5999947 + ... + 6003502.

It is an arithmetic number, because the mean of its divisors is an integer number (2304662400).

Almost surely, 2^21342132322 is an apocalyptic number.

21342132322 is a deficient number, since it is larger than the sum of its proper divisors (15532466078).

21342132322 is a wasteful number, since it uses less digits than its factorization.

21342132322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12003585.

The product of its digits is 3456, while the sum is 25.

Adding to 21342132322 its reverse (22323124312), we get a palindrome (43665256634).

It can be divided in two parts, 21342 and 132322, that added together give a square (153664 = 392²).

The spelling of 21342132322 in words is "twenty-one billion, three hundred forty-two million, one hundred thirty-two thousand, three hundred twenty-two".