1121112203320 has 256 divisors, whose sum is σ = 2731171322880. Its totient is φ = 413157888000.

The previous prime is 1121112203311. The next prime is 1121112203329. The reversal of 1121112203320 is 233022111211.

It is an interprime number because it is at equal distance from previous prime (1121112203311) and next prime (1121112203329).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121112203329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1865411020 + ... + 1865411620.

It is an arithmetic number, because the mean of its divisors is an integer number (10668637980).

Almost surely, 2^{1121112203320} is an apocalyptic number.

1121112203320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121112203320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1365585661440).

1121112203320 is an abundant number, since it is smaller than the sum of its proper divisors (1610059119560).

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

1121112203320 is a wasteful number, since it uses less digits than its factorization.

1121112203320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326 (or 1322 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1121112203320 its reverse (233022111211), we get a palindrome (1354134314531).

The spelling of 1121112203320 in words is "one trillion, one hundred twenty-one billion, one hundred twelve million, two hundred three thousand, three hundred twenty".