123011131033101 has 8 divisors (see below), whose sum is σ = 164014913588320. Its totient is φ = 82007384583312.

The previous prime is 123011131033097. The next prime is 123011131033103. The reversal of 123011131033101 is 101330131110321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123011131033101 - 2² = 123011131033097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123011131033103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299895 + ... + 15687963.

It is an arithmetic number, because the mean of its divisors is an integer number (20501864198540).

Almost surely, 2^{123011131033101} is an apocalyptic number.

It is an amenable number.

123011131033101 is a deficient number, since it is larger than the sum of its proper divisors (41003782555219).

123011131033101 is a wasteful number, since it uses less digits than its factorization.

123011131033101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18052715.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 123011131033101 its reverse (101330131110321), we get a palindrome (224341262143422).

The spelling of 123011131033101 in words is "one hundred twenty-three trillion, eleven billion, one hundred thirty-one million, thirty-three thousand, one hundred one".