1113122042103 has 64 divisors (see below), whose sum is σ = 1604232806400. Its totient is φ = 684466070400.

The previous prime is 1113122042101. The next prime is 1113122042113. The reversal of 1113122042103 is 3012402213111.

It is not a de Polignac number, because 1113122042103 - 2¹ = 1113122042101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1113122042103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113122042101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 90720253 + ... + 90732521.

It is an arithmetic number, because the mean of its divisors is an integer number (25066137600).

Almost surely, 2^{1113122042103} is an apocalyptic number.

1113122042103 is a deficient number, since it is larger than the sum of its proper divisors (491110764297).

1113122042103 is a wasteful number, since it uses less digits than its factorization.

1113122042103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12652.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1113122042103 its reverse (3012402213111), we get a palindrome (4125524255214).

The spelling of 1113122042103 in words is "one trillion, one hundred thirteen billion, one hundred twenty-two million, forty-two thousand, one hundred three".