20221001000101 has 4 divisors (see below), whose sum is σ = 22059273818304. Its totient is φ = 18382728181900.

The previous prime is 20221001000099. The next prime is 20221001000111. The reversal of 20221001000101 is 10100010012202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20221001000101 - 2¹ = 20221001000099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221001000111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919136409085 + ... + 919136409106.

It is an arithmetic number, because the mean of its divisors is an integer number (5514818454576).

Almost surely, 2^{20221001000101} is an apocalyptic number.

It is an amenable number.

20221001000101 is a deficient number, since it is larger than the sum of its proper divisors (1838272818203).

20221001000101 is a wasteful number, since it uses less digits than its factorization.

20221001000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838272818202.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20221001000101 its reverse (10100010012202), we get a palindrome (30321011012303).

The spelling of 20221001000101 in words is "twenty trillion, two hundred twenty-one billion, one million, one hundred one", and thus it is an aban number.