20221201100001 has 8 divisors (see below), whose sum is σ = 29412656145504. Its totient is φ = 12255273393920.

The previous prime is 20221201099993. The next prime is 20221201100003. The reversal of 20221201100001 is 10000110212202.

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 20221201100001 - 2³ = 20221201099993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20221201100001.

It is not an unprimeable number, because it can be changed into a prime (20221201100003) 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, 306381834816 + ... + 306381834881.

It is an arithmetic number, because the mean of its divisors is an integer number (3676582018188).

Almost surely, 2^{20221201100001} is an apocalyptic number.

It is an amenable number.

20221201100001 is a deficient number, since it is larger than the sum of its proper divisors (9191455045503).

20221201100001 is a wasteful number, since it uses less digits than its factorization.

20221201100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612763669711.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20221201100001 its reverse (10000110212202), we get a palindrome (30221311312203).

The spelling of 20221201100001 in words is "twenty trillion, two hundred twenty-one billion, two hundred one million, one hundred thousand, one".