12211021020001 has 8 divisors (see below), whose sum is σ = 12657665203200. Its totient is φ = 11767673104320.

The previous prime is 12211021019987. The next prime is 12211021020013. The reversal of 12211021020001 is 10002012011221.

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 12211021020001 - 2³³ = 12202431085409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12211021020301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824059336 + ... + 824074153.

It is an arithmetic number, because the mean of its divisors is an integer number (1582208150400).

Almost surely, 2^{12211021020001} is an apocalyptic number.

It is an amenable number.

12211021020001 is a deficient number, since it is larger than the sum of its proper divisors (446644183199).

12211021020001 is a wasteful number, since it uses less digits than its factorization.

12211021020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648133759.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12211021020001 its reverse (10002012011221), we get a palindrome (22213033031222).

The spelling of 12211021020001 in words is "twelve trillion, two hundred eleven billion, twenty-one million, twenty thousand, one".