1121110013123 has 16 divisors (see below), whose sum is σ = 1162128000000. Its totient is φ = 1080400407840.

The previous prime is 1121110013081. The next prime is 1121110013143. The reversal of 1121110013123 is 3213100111211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121110013123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121110013143) 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, 13548128 + ... + 13630626.

It is an arithmetic number, because the mean of its divisors is an integer number (72633000000).

Almost surely, 2^{1121110013123} is an apocalyptic number.

1121110013123 is a deficient number, since it is larger than the sum of its proper divisors (41017986877).

1121110013123 is a wasteful number, since it uses less digits than its factorization.

1121110013123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84362.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1121110013123 its reverse (3213100111211), we get a palindrome (4334210124334).

The spelling of 1121110013123 in words is "one trillion, one hundred twenty-one billion, one hundred ten million, thirteen thousand, one hundred twenty-three".