2231211310211 has 8 divisors (see below), whose sum is σ = 2402953694064. Its totient is φ = 2059484747040.

The previous prime is 2231211310187. The next prime is 2231211310253. The reversal of 2231211310211 is 1120131121322.

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 2231211310211 - 2⁶ = 2231211310147 is a prime.

It is a super-3 number, since 3×2231211310211³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231211370211) 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, 3661445 + ... + 4227126.

It is an arithmetic number, because the mean of its divisors is an integer number (300369211758).

Almost surely, 2^{2231211310211} is an apocalyptic number.

2231211310211 is a deficient number, since it is larger than the sum of its proper divisors (171742383853).

2231211310211 is a wasteful number, since it uses less digits than its factorization.

2231211310211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7910341.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2231211310211 its reverse (1120131121322), we get a palindrome (3351342431533).

The spelling of 2231211310211 in words is "two trillion, two hundred thirty-one billion, two hundred eleven million, three hundred ten thousand, two hundred eleven".