1103021012 has 24 divisors (see below), whose sum is σ = 1944746496. Its totient is φ = 547390688.

The previous prime is 1103020999. The next prime is 1103021027. The reversal of 1103021012 is 2101203011.

It is a junction number, because it is equal to n+sod(n) for n = 1103020984 and 1103021002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596273 + ... + 598119.

It is an arithmetic number, because the mean of its divisors is an integer number (81031104).

Almost surely, 2^1103021012 is an apocalyptic number.

It is an amenable number.

1103021012 is a deficient number, since it is larger than the sum of its proper divisors (841725484).

1103021012 is a wasteful number, since it uses less digits than its factorization.

1103021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887 (or 2885 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1103021012 is about 33211.7601460687. The cubic root of 1103021012 is about 1033.2242609351.

Adding to 1103021012 its reverse (2101203011), we get a palindrome (3204224023).

The spelling of 1103021012 in words is "one billion, one hundred three million, twenty-one thousand, twelve".