2211211022311 has 8 divisors (see below), whose sum is σ = 2232842557824. Its totient is φ = 2189597376120.

The previous prime is 2211211022309. The next prime is 2211211022333. The reversal of 2211211022311 is 1132201121122.

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 2211211022311 - 2¹ = 2211211022309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211211022611) 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, 4223845 + ... + 4718398.

It is an arithmetic number, because the mean of its divisors is an integer number (279105319728).

Almost surely, 2^{2211211022311} is an apocalyptic number.

2211211022311 is a deficient number, since it is larger than the sum of its proper divisors (21631535513).

2211211022311 is a wasteful number, since it uses less digits than its factorization.

2211211022311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8944661.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2211211022311 its reverse (1132201121122), we get a palindrome (3343412143433).

The spelling of 2211211022311 in words is "two trillion, two hundred eleven billion, two hundred eleven million, twenty-two thousand, three hundred eleven".