2011220211211 has 8 divisors (see below), whose sum is σ = 2014866463680. Its totient is φ = 2007576318528.

The previous prime is 2011220211163. The next prime is 2011220211271. The reversal of 2011220211211 is 1121120221102.

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

It is a cyclic number.

It is not a de Polignac number, because 2011220211211 - 2⁷ = 2011220211083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011220211271) 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, 1120665 + ... + 2297461.

It is an arithmetic number, because the mean of its divisors is an integer number (251858307960).

Almost surely, 2^{2011220211211} is an apocalyptic number.

2011220211211 is a deficient number, since it is larger than the sum of its proper divisors (3646252469).

2011220211211 is a wasteful number, since it uses less digits than its factorization.

2011220211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179893.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2011220211211 its reverse (1121120221102), we get a palindrome (3132340432313).

The spelling of 2011220211211 in words is "two trillion, eleven billion, two hundred twenty million, two hundred eleven thousand, two hundred eleven".