1111203112 has 8 divisors (see below), whose sum is σ = 2083505850. Its totient is φ = 555601552.

The previous prime is 1111203059. The next prime is 1111203143. The reversal of 1111203112 is 2113021111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 768731076 + 342472036 = 27726^2 + 18506^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1111203112² = 2469544712236969088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111203092 and 1111203101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69450187 + ... + 69450202.

Almost surely, 2^1111203112 is an apocalyptic number.

It is an amenable number.

1111203112 is a deficient number, since it is larger than the sum of its proper divisors (972302738).

1111203112 is a wasteful number, since it uses less digits than its factorization.

1111203112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138900395 (or 138900391 counting only the distinct ones).

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

The square root of 1111203112 is about 33334.7133181013. The cubic root of 1111203112 is about 1035.7727546776.

Adding to 1111203112 its reverse (2113021111), we get a palindrome (3224224223).

The spelling of 1111203112 in words is "one billion, one hundred eleven million, two hundred three thousand, one hundred twelve".