2221231230001 has 4 divisors (see below), whose sum is σ = 2538549977152. Its totient is φ = 1903912482852.

The previous prime is 2221231229993. The next prime is 2221231230059. The reversal of 2221231230001 is 1000321321222.

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 2221231230001 - 2³ = 2221231229993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221231230061) 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, 158659373565 + ... + 158659373578.

It is an arithmetic number, because the mean of its divisors is an integer number (634637494288).

Almost surely, 2^{2221231230001} is an apocalyptic number.

It is an amenable number.

2221231230001 is a deficient number, since it is larger than the sum of its proper divisors (317318747151).

2221231230001 is an equidigital number, since it uses as much as digits as its factorization.

2221231230001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317318747150.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2221231230001 its reverse (1000321321222), we get a palindrome (3221552551223).

The spelling of 2221231230001 in words is "two trillion, two hundred twenty-one billion, two hundred thirty-one million, two hundred thirty thousand, one".