2211312311121 has 8 divisors (see below), whose sum is σ = 3076608432960. Its totient is φ = 1410112198352.

The previous prime is 2211312311119. The next prime is 2211312311137. The reversal of 2211312311121 is 1211132131122.

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 2211312311121 - 2¹ = 2211312311119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211312311191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16024002186 + ... + 16024002323.

It is an arithmetic number, because the mean of its divisors is an integer number (384576054120).

Almost surely, 2^{2211312311121} is an apocalyptic number.

It is an amenable number.

2211312311121 is a deficient number, since it is larger than the sum of its proper divisors (865296121839).

2211312311121 is a wasteful number, since it uses less digits than its factorization.

2211312311121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32048004535.

The product of its digits is 144, while the sum is 21.

Adding to 2211312311121 its reverse (1211132131122), we get a palindrome (3422444442243).

The spelling of 2211312311121 in words is "two trillion, two hundred eleven billion, three hundred twelve million, three hundred eleven thousand, one hundred twenty-one".