1111130212 has 6 divisors (see below), whose sum is σ = 1944477878. Its totient is φ = 555565104.

The previous prime is 1111130197. The next prime is 1111130219. The reversal of 1111130212 is 2120311111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 833707876 + 277422336 = 28874^2 + 16656^2 .

It is a super-2 number, since 2×1111130212² = 2469220696038329888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111130192 and 1111130201.

It is not an unprimeable number, because it can be changed into a prime (1111130219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138891273 + ... + 138891280.

Almost surely, 2^1111130212 is an apocalyptic number.

It is an amenable number.

1111130212 is a deficient number, since it is larger than the sum of its proper divisors (833347666).

1111130212 is a wasteful number, since it uses less digits than its factorization.

1111130212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277782557 (or 277782555 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1111130212 is about 33333.6198454353. The cubic root of 1111130212 is about 1035.7501037076.

Adding to 1111130212 its reverse (2120311111), we get a palindrome (3231441323).

The spelling of 1111130212 in words is "one billion, one hundred eleven million, one hundred thirty thousand, two hundred twelve".