2111022131323 has 4 divisors (see below), whose sum is σ = 2412596721520. Its totient is φ = 1809447541128.

The previous prime is 2111022131287. The next prime is 2111022131357. The reversal of 2111022131323 is 3231312201112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111022131323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111022131294 and 2111022131303.

It is not an unprimeable number, because it can be changed into a prime (2111022161323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150787295088 + ... + 150787295101.

It is an arithmetic number, because the mean of its divisors is an integer number (603149180380).

Almost surely, 2^{2111022131323} is an apocalyptic number.

2111022131323 is a deficient number, since it is larger than the sum of its proper divisors (301574590197).

2111022131323 is an equidigital number, since it uses as much as digits as its factorization.

2111022131323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301574590196.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2111022131323 its reverse (3231312201112), we get a palindrome (5342334332435).

The spelling of 2111022131323 in words is "two trillion, one hundred eleven billion, twenty-two million, one hundred thirty-one thousand, three hundred twenty-three".