10111112010103 has 4 divisors (see below), whose sum is σ = 10888889857048. Its totient is φ = 9333334163160.

The previous prime is 10111112010101. The next prime is 10111112010107. The reversal of 10111112010103 is 30101021111101.

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 10111112010103 - 2¹ = 10111112010101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 777777846931 = 10111112010103 / (1 + 0 + 1 + 1 + 1 + 1 + 1 + 2 + 0 + 1 + 0 + 1 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111112010101) 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, 388888923453 + ... + 388888923478.

It is an arithmetic number, because the mean of its divisors is an integer number (2722222464262).

Almost surely, 2^{10111112010103} is an apocalyptic number.

10111112010103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10111112010103 is a deficient number, since it is larger than the sum of its proper divisors (777777846945).

10111112010103 is an equidigital number, since it uses as much as digits as its factorization.

10111112010103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777777846944.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 10111112010103 its reverse (30101021111101), we get a palindrome (40212133121204).

The spelling of 10111112010103 in words is "ten trillion, one hundred eleven billion, one hundred twelve million, ten thousand, one hundred three".