21122032332211 has 8 divisors (see below), whose sum is σ = 21130129108800. Its totient is φ = 21113936551488.

The previous prime is 21122032332197. The next prime is 21122032332217. The reversal of 21122032332211 is 11223323022112.

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 21122032332211 - 2¹⁷ = 21122032201139 is a prime.

It is a super-2 number, since 2×21122032332211² (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 (21122032332217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43653990 + ... + 44135188.

It is an arithmetic number, because the mean of its divisors is an integer number (2641266138600).

Almost surely, 2^{21122032332211} is an apocalyptic number.

21122032332211 is a deficient number, since it is larger than the sum of its proper divisors (8096776589).

21122032332211 is a wasteful number, since it uses less digits than its factorization.

21122032332211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497933.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 21122032332211 its reverse (11223323022112), we get a palindrome (32345355354323).

The spelling of 21122032332211 in words is "twenty-one trillion, one hundred twenty-two billion, thirty-two million, three hundred thirty-two thousand, two hundred eleven".