2001200222211 has 16 divisors (see below), whose sum is σ = 2708955970944. Its totient is φ = 1313801685504.

The previous prime is 2001200222207. The next prime is 2001200222237. The reversal of 2001200222211 is 1122220021002.

It is not a de Polignac number, because 2001200222211 - 2² = 2001200222207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001200222201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 956365 + ... + 2217438.

It is an arithmetic number, because the mean of its divisors is an integer number (169309748184).

Almost surely, 2^{2001200222211} is an apocalyptic number.

2001200222211 is a deficient number, since it is larger than the sum of its proper divisors (707755748733).

2001200222211 is a wasteful number, since it uses less digits than its factorization.

2001200222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3177010.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2001200222211 its reverse (1122220021002), we get a palindrome (3123420243213).

The spelling of 2001200222211 in words is "two trillion, one billion, two hundred million, two hundred twenty-two thousand, two hundred eleven".