1120112111121 has 16 divisors (see below), whose sum is σ = 1581554559168. Its totient is φ = 702717747200.

The previous prime is 1120112111113. The next prime is 1120112111143. The reversal of 1120112111121 is 1211112110211.

It is a cyclic number.

It is not a de Polignac number, because 1120112111121 - 2³ = 1120112111113 is a prime.

It is a super-2 number, since 2×1120112111121² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1120112111121.

It is not an unprimeable number, because it can be changed into a prime (1120112111191) 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, 1155120 + ... + 1890641.

It is an arithmetic number, because the mean of its divisors is an integer number (98847159948).

Almost surely, 2^{1120112111121} is an apocalyptic number.

It is an amenable number.

1120112111121 is a deficient number, since it is larger than the sum of its proper divisors (461442448047).

1120112111121 is a wasteful number, since it uses less digits than its factorization.

1120112111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052992.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 1120112111121 its reverse (1211112110211), we get a palindrome (2331224221332).

The spelling of 1120112111121 in words is "one trillion, one hundred twenty billion, one hundred twelve million, one hundred eleven thousand, one hundred twenty-one".