2211331113211 has 8 divisors (see below), whose sum is σ = 2412607065264. Its totient is φ = 2010096136320.

The previous prime is 2211331113169. The next prime is 2211331113281. The reversal of 2211331113211 is 1123111331122.

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 2211331113211 - 2²¹ = 2211329016059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211331113281) 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, 10130890 + ... + 10346863.

It is an arithmetic number, because the mean of its divisors is an integer number (301575883158).

Almost surely, 2^{2211331113211} is an apocalyptic number.

2211331113211 is a deficient number, since it is larger than the sum of its proper divisors (201275952053).

2211331113211 is a wasteful number, since it uses less digits than its factorization.

2211331113211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20487581.

The product of its digits is 216, while the sum is 22.

Adding to 2211331113211 its reverse (1123111331122), we get a palindrome (3334442444333).

The spelling of 2211331113211 in words is "two trillion, two hundred eleven billion, three hundred thirty-one million, one hundred thirteen thousand, two hundred eleven".