2001222210211 has 8 divisors (see below), whose sum is σ = 2287224701024. Its totient is φ = 1715248120320.

The previous prime is 2001222210181. The next prime is 2001222210319. The reversal of 2001222210211 is 1120122221002.

It is a happy number.

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

It is not a de Polignac number, because 2001222210211 - 2¹⁵ = 2001222177443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001222220211) 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, 6949020 + ... + 7231273.

It is an arithmetic number, because the mean of its divisors is an integer number (285903087628).

Almost surely, 2^{2001222210211} is an apocalyptic number.

2001222210211 is a deficient number, since it is larger than the sum of its proper divisors (286002490813).

2001222210211 is a wasteful number, since it uses less digits than its factorization.

2001222210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14200461.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2001222210211 its reverse (1120122221002), we get a palindrome (3121344431213).

The spelling of 2001222210211 in words is "two trillion, one billion, two hundred twenty-two million, two hundred ten thousand, two hundred eleven".