111021102102103 has 4 divisors (see below), whose sum is σ = 111157996186888. Its totient is φ = 110884208017320.

The previous prime is 111021102102101. The next prime is 111021102102107. The reversal of 111021102102103 is 301201201120111.

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 111021102102103 - 2¹ = 111021102102101 is a prime.

It is a super-2 number, since 2×111021102102103² (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 (111021102102101) 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, 68447041176 + ... + 68447042797.

It is an arithmetic number, because the mean of its divisors is an integer number (27789499046722).

Almost surely, 2^{111021102102103} is an apocalyptic number.

111021102102103 is a deficient number, since it is larger than the sum of its proper divisors (136894084785).

111021102102103 is an equidigital number, since it uses as much as digits as its factorization.

111021102102103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136894084784.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 111021102102103 its reverse (301201201120111), we get a palindrome (412222303222214).

The spelling of 111021102102103 in words is "one hundred eleven trillion, twenty-one billion, one hundred two million, one hundred two thousand, one hundred three".