1121330222012 has 192 divisors, whose sum is σ = 2660055552000. Its totient is φ = 399415864320.

The previous prime is 1121330222009. The next prime is 1121330222021. The reversal of 1121330222012 is 2102220331211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 222527789 + ... + 222532827.

It is an arithmetic number, because the mean of its divisors is an integer number (13854456000).

Almost surely, 2^{1121330222012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121330222012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1330027776000).

1121330222012 is an abundant number, since it is smaller than the sum of its proper divisors (1538725329988).

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

1121330222012 is a wasteful number, since it uses less digits than its factorization.

1121330222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5596 (or 5594 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1121330222012 its reverse (2102220331211), we get a palindrome (3223550553223).

The spelling of 1121330222012 in words is "one trillion, one hundred twenty-one billion, three hundred thirty million, two hundred twenty-two thousand, twelve".