113103211001 has 24 divisors (see below), whose sum is σ = 131450645760. Its totient is φ = 96972210720.

The previous prime is 113103210977. The next prime is 113103211027. The reversal of 113103211001 is 100112301311.

It is a happy number.

It is not a de Polignac number, because 113103211001 - 2¹⁸ = 113102948857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113103211031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 402371 + ... + 622983.

It is an arithmetic number, because the mean of its divisors is an integer number (5477110240).

Almost surely, 2^113103211001 is an apocalyptic number.

113103211001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113103211001 is a deficient number, since it is larger than the sum of its proper divisors (18347434759).

113103211001 is a wasteful number, since it uses less digits than its factorization.

113103211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220877 (or 220866 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 113103211001 its reverse (100112301311), we get a palindrome (213215512312).

The spelling of 113103211001 in words is "one hundred thirteen billion, one hundred three million, two hundred eleven thousand, one".