21331202332001 has 16 divisors (see below), whose sum is σ = 22701227552640. Its totient is φ = 19986417809280.

The previous prime is 21331202331953. The next prime is 21331202332021. The reversal of 21331202332001 is 10023320213312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21331202332001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21331202332021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5537660 + ... + 8563181.

It is an arithmetic number, because the mean of its divisors is an integer number (1418826722040).

Almost surely, 2^{21331202332001} is an apocalyptic number.

It is an amenable number.

21331202332001 is a deficient number, since it is larger than the sum of its proper divisors (1370025220639).

21331202332001 is a wasteful number, since it uses less digits than its factorization.

21331202332001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14101736.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21331202332001 its reverse (10023320213312), we get a palindrome (31354522545313).

The spelling of 21331202332001 in words is "twenty-one trillion, three hundred thirty-one billion, two hundred two million, three hundred thirty-two thousand, one".