21322103011 has 8 divisors (see below), whose sum is σ = 24271801344. Its totient is φ = 18540958920.

The previous prime is 21322102987. The next prime is 21322103017. The reversal of 21322103011 is 11030122312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21322103011 - 2¹⁹ = 21321578723 is a prime.

It is a super-2 number, since 2×21322103011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21322103017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42138291 + ... + 42138796.

It is an arithmetic number, because the mean of its divisors is an integer number (3033975168).

Almost surely, 2^21322103011 is an apocalyptic number.

21322103011 is a deficient number, since it is larger than the sum of its proper divisors (2949698333).

21322103011 is a wasteful number, since it uses less digits than its factorization.

21322103011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84277121.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21322103011 its reverse (11030122312), we get a palindrome (32352225323).

The spelling of 21322103011 in words is "twenty-one billion, three hundred twenty-two million, one hundred three thousand, eleven".