1131220030112 has 24 divisors (see below), whose sum is σ = 2228480596692. Its totient is φ = 565256704000.

The previous prime is 1131220030097. The next prime is 1131220030159. The reversal of 1131220030112 is 2110300221311.

It can be written as a sum of positive squares in 2 ways, for example, as 717673288336 + 413546741776 = 847156^2 + 643076^2 .

It is a super-3 number, since 3×1131220030112³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10988939 + ... + 11091402.

Almost surely, 2^{1131220030112} is an apocalyptic number.

It is an amenable number.

1131220030112 is a deficient number, since it is larger than the sum of its proper divisors (1097260566580).

1131220030112 is a wasteful number, since it uses less digits than its factorization.

1131220030112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22081952 (or 22081944 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1131220030112 its reverse (2110300221311), we get a palindrome (3241520251423).

The spelling of 1131220030112 in words is "one trillion, one hundred thirty-one billion, two hundred twenty million, thirty thousand, one hundred twelve".