2001122232213 has 8 divisors (see below), whose sum is σ = 2873406282208. Its totient is φ = 1231459835184.

The previous prime is 2001122232173. The next prime is 2001122232227. The reversal of 2001122232213 is 3122322211002.

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

It is not a de Polignac number, because 2001122232213 - 2¹⁶ = 2001122166677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2001122232213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001122242213) 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, 25655413195 + ... + 25655413272.

It is an arithmetic number, because the mean of its divisors is an integer number (359175785276).

Almost surely, 2^{2001122232213} is an apocalyptic number.

It is an amenable number.

2001122232213 is a deficient number, since it is larger than the sum of its proper divisors (872284049995).

2001122232213 is a wasteful number, since it uses less digits than its factorization.

2001122232213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51310826483.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2001122232213 its reverse (3122322211002), we get a palindrome (5123444443215).

The spelling of 2001122232213 in words is "two trillion, one billion, one hundred twenty-two million, two hundred thirty-two thousand, two hundred thirteen".