2001000222211 has 16 divisors (see below), whose sum is σ = 2153568268800. Its totient is φ = 1853248789728.

The previous prime is 2001000222187. The next prime is 2001000222269. The reversal of 2001000222211 is 1122220001002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2001000222211 - 2⁹ = 2001000221699 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2001000222191 and 2001000222200.

It is not an unprimeable number, because it can be changed into a prime (2001000222281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480316 + ... + 2057353.

It is an arithmetic number, because the mean of its divisors is an integer number (134598016800).

Almost surely, 2^{2001000222211} is an apocalyptic number.

2001000222211 is a deficient number, since it is larger than the sum of its proper divisors (152568046589).

2001000222211 is a wasteful number, since it uses less digits than its factorization.

2001000222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538618.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2001000222211 its reverse (1122220001002), we get a palindrome (3123220223213).

The spelling of 2001000222211 in words is "two trillion, one billion, two hundred twenty-two thousand, two hundred eleven".