201122000001001 has 4 divisors (see below), whose sum is σ = 205401191490432. Its totient is φ = 196842808511572.

The previous prime is 201122000000989. The next prime is 201122000001007. The reversal of 201122000001001 is 100100000221102.

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 201122000001001 - 2¹⁵ = 201121999968233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201122000001007) 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, 2139595744645 + ... + 2139595744738.

It is an arithmetic number, because the mean of its divisors is an integer number (51350297872608).

Almost surely, 2^{201122000001001} is an apocalyptic number.

It is an amenable number.

201122000001001 is a deficient number, since it is larger than the sum of its proper divisors (4279191489431).

201122000001001 is an equidigital number, since it uses as much as digits as its factorization.

201122000001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279191489430.

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

Adding to 201122000001001 its reverse (100100000221102), we get a palindrome (301222000222103).

The spelling of 201122000001001 in words is "two hundred one trillion, one hundred twenty-two billion, one thousand, one".