21321132032011 has 8 divisors (see below), whose sum is σ = 24367319598080. Its totient is φ = 18275022356328.

The previous prime is 21321132031967. The next prime is 21321132032021. The reversal of 21321132032011 is 11023023112312.

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

It is a cyclic number.

It is not a de Polignac number, because 21321132032011 - 2⁷ = 21321132031883 is a prime.

It is a super-2 number, since 2×21321132032011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21321132032021) 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, 18884841 + ... + 19981978.

It is an arithmetic number, because the mean of its divisors is an integer number (3045914949760).

Almost surely, 2^{21321132032011} is an apocalyptic number.

21321132032011 is a deficient number, since it is larger than the sum of its proper divisors (3046187566069).

21321132032011 is an equidigital number, since it uses as much as digits as its factorization.

21321132032011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38945193.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 21321132032011 its reverse (11023023112312), we get a palindrome (32344155144323).

The spelling of 21321132032011 in words is "twenty-one trillion, three hundred twenty-one billion, one hundred thirty-two million, thirty-two thousand, eleven".