123011101003111 has 8 divisors (see below), whose sum is σ = 124378946200080. Its totient is φ = 121647296708928.

The previous prime is 123011101003103. The next prime is 123011101003223. The reversal of 123011101003111 is 111300101110321.

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

It is a cyclic number.

It is not a de Polignac number, because 123011101003111 - 2³ = 123011101003103 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 (123011101003711) 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, 1010164476 + ... + 1010286241.

It is an arithmetic number, because the mean of its divisors is an integer number (15547368275010).

Almost surely, 2^{123011101003111} is an apocalyptic number.

123011101003111 is a deficient number, since it is larger than the sum of its proper divisors (1367845196969).

123011101003111 is a wasteful number, since it uses less digits than its factorization.

123011101003111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020451393.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 123011101003111 its reverse (111300101110321), we get a palindrome (234311202113432).

The spelling of 123011101003111 in words is "one hundred twenty-three trillion, eleven billion, one hundred one million, three thousand, one hundred eleven".