21112323332201 has 8 divisors (see below), whose sum is σ = 21240275059080. Its totient is φ = 20984682546432.

The previous prime is 21112323332189. The next prime is 21112323332249. The reversal of 21112323332201 is 10223332321112.

It can be written as a sum of positive squares in 4 ways, for example, as 3152315026576 + 17960008305625 = 1775476^2 + 4237925^2 .

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 21112323332201 - 2¹⁸ = 21112323070057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21112323332251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77599070 + ... + 77870663.

It is an arithmetic number, because the mean of its divisors is an integer number (2655034382385).

Almost surely, 2^{21112323332201} is an apocalyptic number.

It is an amenable number.

21112323332201 is a deficient number, since it is larger than the sum of its proper divisors (127951726879).

21112323332201 is a wasteful number, since it uses less digits than its factorization.

21112323332201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155470555.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 21112323332201 its reverse (10223332321112), we get a palindrome (31335655653313).

The spelling of 21112323332201 in words is "twenty-one trillion, one hundred twelve billion, three hundred twenty-three million, three hundred thirty-two thousand, two hundred one".