123020133110011 has 4 divisors (see below), whose sum is σ = 123905170039000. Its totient is φ = 122135096181024.

The previous prime is 123020133110003. The next prime is 123020133110023. The reversal of 123020133110011 is 110011331020321.

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 123020133110011 - 2³ = 123020133110003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123020133110111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442518464286 + ... + 442518464563.

It is an arithmetic number, because the mean of its divisors is an integer number (30976292509750).

Almost surely, 2^{123020133110011} is an apocalyptic number.

123020133110011 is a deficient number, since it is larger than the sum of its proper divisors (885036928989).

123020133110011 is an equidigital number, since it uses as much as digits as its factorization.

123020133110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885036928988.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 123020133110011 its reverse (110011331020321), we get a palindrome (233031464130332).

The spelling of 123020133110011 in words is "one hundred twenty-three trillion, twenty billion, one hundred thirty-three million, one hundred ten thousand, eleven".