20221201102001 has 8 divisors (see below), whose sum is σ = 20421874267200. Its totient is φ = 20020537020400.

The previous prime is 20221201101947. The next prime is 20221201102049. The reversal of 20221201102001 is 10020110212202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20221201102001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20221201102801) 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, 2247830 + ... + 6745008.

It is an arithmetic number, because the mean of its divisors is an integer number (2552734283400).

Almost surely, 2^{20221201102001} is an apocalyptic number.

It is an amenable number.

20221201102001 is a deficient number, since it is larger than the sum of its proper divisors (200673165199).

20221201102001 is a wasteful number, since it uses less digits than its factorization.

20221201102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4541799.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20221201102001 its reverse (10020110212202), we get a palindrome (30241311314203).

The spelling of 20221201102001 in words is "twenty trillion, two hundred twenty-one billion, two hundred one million, one hundred two thousand, one".