1131122212320 has 96 divisors (see below), whose sum is σ = 3563239710240. Its totient is φ = 301615257600.

The previous prime is 1131122212301. The next prime is 1131122212357. The reversal of 1131122212320 is 232122211311.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9786870 + ... + 9901770.

It is an arithmetic number, because the mean of its divisors is an integer number (37117080315).

Almost surely, 2^{1131122212320} is an apocalyptic number.

1131122212320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131122212320 is an abundant number, since it is smaller than the sum of its proper divisors (2432117497920).

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

1131122212320 is a wasteful number, since it uses less digits than its factorization.

1131122212320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135428 (or 135420 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1131122212320 its reverse (232122211311), we get a palindrome (1363244423631).

The spelling of 1131122212320 in words is "one trillion, one hundred thirty-one billion, one hundred twenty-two million, two hundred twelve thousand, three hundred twenty".