1121120142111 has 12 divisors (see below), whose sum is σ = 1704627116920. Its totient is φ = 708075879120.

The previous prime is 1121120142091. The next prime is 1121120142133. The reversal of 1121120142111 is 1112410211211.

1121120142111 is a `hidden beast` number, since 1 + 1 + 211 + 20 + 1 + 421 + 11 = 666.

It is not a de Polignac number, because 1121120142111 - 2¹⁰ = 1121120141087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121120140111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3278128900 + ... + 3278129241.

Almost surely, 2^{1121120142111} is an apocalyptic number.

1121120142111 is a deficient number, since it is larger than the sum of its proper divisors (583506974809).

1121120142111 is a wasteful number, since it uses less digits than its factorization.

1121120142111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6556258166 (or 6556258163 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 1121120142111 its reverse (1112410211211), we get a palindrome (2233530353322).

The spelling of 1121120142111 in words is "one trillion, one hundred twenty-one billion, one hundred twenty million, one hundred forty-two thousand, one hundred eleven".