1113112122121 has 8 divisors (see below), whose sum is σ = 1140693953984. Its totient is φ = 1085852885040.

The previous prime is 1113112122113. The next prime is 1113112122149. The reversal of 1113112122121 is 1212212113111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1113112122121 - 2³ = 1113112122113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113112122151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80641710 + ... + 80655511.

It is an arithmetic number, because the mean of its divisors is an integer number (142586744248).

Almost surely, 2^{1113112122121} is an apocalyptic number.

It is an amenable number.

1113112122121 is a deficient number, since it is larger than the sum of its proper divisors (27581831863).

1113112122121 is a wasteful number, since it uses less digits than its factorization.

1113112122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161297391.

The product of its digits is 48, while the sum is 19.

Adding to 1113112122121 its reverse (1212212113111), we get a palindrome (2325324235232).

The spelling of 1113112122121 in words is "one trillion, one hundred thirteen billion, one hundred twelve million, one hundred twenty-two thousand, one hundred twenty-one".