20332111212001 has 8 divisors (see below), whose sum is σ = 20351588466600. Its totient is φ = 20312634551040.

The previous prime is 20332111211947. The next prime is 20332111212031. The reversal of 20332111212001 is 10021211123302.

It can be written as a sum of positive squares in 4 ways, for example, as 763874252001 + 19568236960000 = 873999^2 + 4423600^2 .

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 20332111212001 - 2¹¹ = 20332111209953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20332111212001.

It is not an unprimeable number, because it can be changed into a prime (20332111212031) 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, 101617065 + ... + 101816953.

It is an arithmetic number, because the mean of its divisors is an integer number (2543948558325).

Almost surely, 2^{20332111212001} is an apocalyptic number.

It is an amenable number.

20332111212001 is a deficient number, since it is larger than the sum of its proper divisors (19477254599).

20332111212001 is a wasteful number, since it uses less digits than its factorization.

20332111212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296819.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20332111212001 its reverse (10021211123302), we get a palindrome (30353322335303).

The spelling of 20332111212001 in words is "twenty trillion, three hundred thirty-two billion, one hundred eleven million, two hundred twelve thousand, one".