10112001012103 has 4 divisors (see below), whose sum is σ = 10121005466488. Its totient is φ = 10102996557720.

The previous prime is 10112001012089. The next prime is 10112001012119. The reversal of 10112001012103 is 30121010021101.

It is a happy number.

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 10112001012103 - 2²⁵ = 10111967457671 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 (10112001012193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4502225508 + ... + 4502227753.

It is an arithmetic number, because the mean of its divisors is an integer number (2530251366622).

Almost surely, 2^{10112001012103} is an apocalyptic number.

10112001012103 is a deficient number, since it is larger than the sum of its proper divisors (9004454385).

10112001012103 is an equidigital number, since it uses as much as digits as its factorization.

10112001012103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9004454384.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10112001012103 its reverse (30121010021101), we get a palindrome (40233011033204).

The spelling of 10112001012103 in words is "ten trillion, one hundred twelve billion, one million, twelve thousand, one hundred three".