1121020112113 has 16 divisors (see below), whose sum is σ = 1237932061632. Its totient is φ = 1006613632000.

The previous prime is 1121020112099. The next prime is 1121020112143. The reversal of 1121020112113 is 3112110201211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1121020112113 - 2⁵ = 1121020112081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121020112143) 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, 4180233 + ... + 4440313.

It is an arithmetic number, because the mean of its divisors is an integer number (77370753852).

Almost surely, 2^{1121020112113} is an apocalyptic number.

It is an amenable number.

1121020112113 is a deficient number, since it is larger than the sum of its proper divisors (116911949519).

1121020112113 is a wasteful number, since it uses less digits than its factorization.

1121020112113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264896.

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

Adding to 1121020112113 its reverse (3112110201211), we get a palindrome (4233130313324).

The spelling of 1121020112113 in words is "one trillion, one hundred twenty-one billion, twenty million, one hundred twelve thousand, one hundred thirteen".