2111233123133 has 6 divisors (see below), whose sum is σ = 2186544650394. Its totient is φ = 2038431980144.

The previous prime is 2111233123117. The next prime is 2111233123147. The reversal of 2111233123133 is 3313213321112.

It can be written as a sum of positive squares in 3 ways, for example, as 17372030809 + 2093861092324 = 131803^2 + 1447018^2 .

It is not a de Polignac number, because 2111233123133 - 2⁴ = 2111233123117 is a prime.

It is a super-2 number, since 2×2111233123133² (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 (2111233123193) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1255191266 + ... + 1255192947.

It is an arithmetic number, because the mean of its divisors is an integer number (364424108399).

Almost surely, 2^{2111233123133} is an apocalyptic number.

It is an amenable number.

2111233123133 is a deficient number, since it is larger than the sum of its proper divisors (75311527261).

2111233123133 is an equidigital number, since it uses as much as digits as its factorization.

2111233123133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510384271 (or 2510384242 counting only the distinct ones).

The product of its digits is 1944, while the sum is 26.

Adding to 2111233123133 its reverse (3313213321112), we get a palindrome (5424446444245).

The spelling of 2111233123133 in words is "two trillion, one hundred eleven billion, two hundred thirty-three million, one hundred twenty-three thousand, one hundred thirty-three".