2130323123111 has 4 divisors (see below), whose sum is σ = 2130327772392. Its totient is φ = 2130318473832.

The previous prime is 2130323123101. The next prime is 2130323123153. The reversal of 2130323123111 is 1113213230312.

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

It is a cyclic number.

It is not a de Polignac number, because 2130323123111 - 2²² = 2130318928807 is a prime.

It is a super-2 number, since 2×2130323123111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130323123101) 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 3 ways as a sum of consecutive naturals, for example, 1551656 + ... + 2582301.

It is an arithmetic number, because the mean of its divisors is an integer number (532581943098).

Almost surely, 2^{2130323123111} is an apocalyptic number.

2130323123111 is a deficient number, since it is larger than the sum of its proper divisors (4649281).

2130323123111 is an equidigital number, since it uses as much as digits as its factorization.

2130323123111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649280.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 2130323123111 its reverse (1113213230312), we get a palindrome (3243536353423).

The spelling of 2130323123111 in words is "two trillion, one hundred thirty billion, three hundred twenty-three million, one hundred twenty-three thousand, one hundred eleven".