11130212112 has 40 divisors (see below), whose sum is σ = 28792365504. Its totient is φ = 3704997504.

The previous prime is 11130212111. The next prime is 11130212113. The reversal of 11130212112 is 21121203111.

It is an interprime number because it is at equal distance from previous prime (11130212111) and next prime (11130212113).

It is a super-2 number, since 2×11130212112² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11130212091 and 11130212100.

It is not an unprimeable number, because it can be changed into a prime (11130212111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122988 + ... + 193355.

Almost surely, 2^11130212112 is an apocalyptic number.

11130212112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11130212112 is an abundant number, since it is smaller than the sum of its proper divisors (17662153392).

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

11130212112 is a wasteful number, since it uses less digits than its factorization.

11130212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317087 (or 317081 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11130212112 its reverse (21121203111), we get a palindrome (32251415223).

Subtracting 11130212112 from its reverse (21121203111), we obtain a palindrome (9990990999).

The spelling of 11130212112 in words is "eleven billion, one hundred thirty million, two hundred twelve thousand, one hundred twelve".