1131033220112 has 20 divisors (see below), whose sum is σ = 2191726615980. Its totient is φ = 565426351488.

The previous prime is 1131033220103. The next prime is 1131033220117. The reversal of 1131033220112 is 2110223301311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 368478136576 + 762555083536 = 607024^2 + 873244^2 .

It is a super-2 number, since 2×1131033220112² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1131033220117) 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 3 ways as a sum of consecutive naturals, for example, 5537723 + ... + 5738330.

It is an arithmetic number, because the mean of its divisors is an integer number (109586330799).

Almost surely, 2^{1131033220112} is an apocalyptic number.

It is an amenable number.

1131033220112 is a deficient number, since it is larger than the sum of its proper divisors (1060693395868).

1131033220112 is a wasteful number, since it uses less digits than its factorization.

1131033220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11282330 (or 11282324 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1131033220112 its reverse (2110223301311), we get a palindrome (3241256521423).

The spelling of 1131033220112 in words is "one trillion, one hundred thirty-one billion, thirty-three million, two hundred twenty thousand, one hundred twelve".