1121033111320 has 32 divisors (see below), whose sum is σ = 2522359972800. Its totient is φ = 448406938368.

The previous prime is 1121033111309. The next prime is 1121033111323. The reversal of 1121033111320 is 231113301211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121033111323) 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, 3573361 + ... + 3874399.

It is an arithmetic number, because the mean of its divisors is an integer number (78823749150).

Almost surely, 2^{1121033111320} is an apocalyptic number.

1121033111320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121033111320 is an abundant number, since it is smaller than the sum of its proper divisors (1401326861480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121033111320 is a wasteful number, since it uses less digits than its factorization.

1121033111320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394147 (or 394143 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1121033111320 its reverse (231113301211), we get a palindrome (1352146412531).

The spelling of 1121033111320 in words is "one trillion, one hundred twenty-one billion, thirty-three million, one hundred eleven thousand, three hundred twenty".