2311132132221 has 32 divisors (see below), whose sum is σ = 3409303372800. Its totient is φ = 1380847305600.

The previous prime is 2311132132219. The next prime is 2311132132289. The reversal of 2311132132221 is 1222312311132.

It is not a de Polignac number, because 2311132132221 - 2¹ = 2311132132219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2311132132191 and 2311132132200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311132136221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4908480 + ... + 5358678.

It is an arithmetic number, because the mean of its divisors is an integer number (106540730400).

Almost surely, 2^{2311132132221} is an apocalyptic number.

It is an amenable number.

2311132132221 is a deficient number, since it is larger than the sum of its proper divisors (1098171240579).

2311132132221 is a wasteful number, since it uses less digits than its factorization.

2311132132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452417.

The product of its digits is 864, while the sum is 24.

Adding to 2311132132221 its reverse (1222312311132), we get a palindrome (3533444443353).

The spelling of 2311132132221 in words is "two trillion, three hundred eleven billion, one hundred thirty-two million, one hundred thirty-two thousand, two hundred twenty-one".