1112121102103 has 16 divisors (see below), whose sum is σ = 1284780540960. Its totient is φ = 951405644800.

The previous prime is 1112121102031. The next prime is 1112121102107. The reversal of 1112121102103 is 3012011212111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1112121102103 - 2⁹ = 1112121101591 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 (1112121102107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 824493 + ... + 1704121.

It is an arithmetic number, because the mean of its divisors is an integer number (80298783810).

Almost surely, 2^{1112121102103} is an apocalyptic number.

1112121102103 is a deficient number, since it is larger than the sum of its proper divisors (172659438857).

1112121102103 is a wasteful number, since it uses less digits than its factorization.

1112121102103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886418.

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

Adding to 1112121102103 its reverse (3012011212111), we get a palindrome (4124132314214).

The spelling of 1112121102103 in words is "one trillion, one hundred twelve billion, one hundred twenty-one million, one hundred two thousand, one hundred three".