21223332120001 has 4 divisors (see below), whose sum is σ = 23152725949104. Its totient is φ = 19293938290900.

The previous prime is 21223332119999. The next prime is 21223332120013. The reversal of 21223332120001 is 10002123332212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21223332120001 - 2¹ = 21223332119999 is a prime.

It is a super-2 number, since 2×21223332120001² (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 (21223332120091) 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 3 ways as a sum of consecutive naturals, for example, 964696914535 + ... + 964696914556.

It is an arithmetic number, because the mean of its divisors is an integer number (5788181487276).

Almost surely, 2^{21223332120001} is an apocalyptic number.

It is an amenable number.

21223332120001 is a deficient number, since it is larger than the sum of its proper divisors (1929393829103).

21223332120001 is a wasteful number, since it uses less digits than its factorization.

21223332120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929393829102.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21223332120001 its reverse (10002123332212), we get a palindrome (31225455452213).

The spelling of 21223332120001 in words is "twenty-one trillion, two hundred twenty-three billion, three hundred thirty-two million, one hundred twenty thousand, one".