111101012020103 has 12 divisors (see below), whose sum is σ = 129240761912352. Its totient is φ = 95228842655520.

The previous prime is 111101012020099. The next prime is 111101012020169. The reversal of 111101012020103 is 301020210101111.

It is not a de Polignac number, because 111101012020103 - 2² = 111101012020099 is a prime.

It is a super-2 number, since 2×111101012020103² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111101012020003) 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 11 ways as a sum of consecutive naturals, for example, 899426 + ... + 14933552.

It is an arithmetic number, because the mean of its divisors is an integer number (10770063492696).

Almost surely, 2^{111101012020103} is an apocalyptic number.

111101012020103 is a deficient number, since it is larger than the sum of its proper divisors (18139749892249).

111101012020103 is a wasteful number, since it uses less digits than its factorization.

111101012020103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14195702 (or 14195695 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 111101012020103 its reverse (301020210101111), we get a palindrome (412121222121214).

The spelling of 111101012020103 in words is "one hundred eleven trillion, one hundred one billion, twelve million, twenty thousand, one hundred three".