1121120313111 has 24 divisors (see below), whose sum is σ = 1750698396720. Its totient is φ = 688938794496.

The previous prime is 1121120313109. The next prime is 1121120313161. The reversal of 1121120313111 is 1113130211211.

1121120313111 is a `hidden beast` number, since 1 + 121 + 120 + 313 + 111 = 666.

It is not a de Polignac number, because 1121120313111 - 2¹ = 1121120313109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121120313161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88591770 + ... + 88604423.

It is an arithmetic number, because the mean of its divisors is an integer number (72945766530).

Almost surely, 2^{1121120313111} is an apocalyptic number.

1121120313111 is a deficient number, since it is larger than the sum of its proper divisors (629578083609).

1121120313111 is a wasteful number, since it uses less digits than its factorization.

1121120313111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177196255 (or 177196252 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 1121120313111 its reverse (1113130211211), we get a palindrome (2234250524322).

The spelling of 1121120313111 in words is "one trillion, one hundred twenty-one billion, one hundred twenty million, three hundred thirteen thousand, one hundred eleven".