12011023203101 has 8 divisors (see below), whose sum is σ = 13695827363064. Its totient is φ = 10434916085760.

The previous prime is 12011023203073. The next prime is 12011023203139. The reversal of 12011023203101 is 10130232011021.

It can be written as a sum of positive squares in 4 ways, for example, as 3907635447076 + 8103387756025 = 1976774^2 + 2846645^2 .

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

It is not a de Polignac number, because 12011023203101 - 2¹⁸ = 12011022940957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12011023203101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011023203191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27174260420 + ... + 27174260861.

It is an arithmetic number, because the mean of its divisors is an integer number (1711978420383).

Almost surely, 2^{12011023203101} is an apocalyptic number.

It is an amenable number.

12011023203101 is a deficient number, since it is larger than the sum of its proper divisors (1684804159963).

12011023203101 is a wasteful number, since it uses less digits than its factorization.

12011023203101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54348521311.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12011023203101 its reverse (10130232011021), we get a palindrome (22141255214122).

The spelling of 12011023203101 in words is "twelve trillion, eleven billion, twenty-three million, two hundred three thousand, one hundred one".