1101213328 has 20 divisors (see below), whose sum is σ = 2134587708. Its totient is φ = 550352000.

The previous prime is 1101213319. The next prime is 1101213331. The reversal of 1101213328 is 8233121011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 405941904 + 695271424 = 20148^2 + 26368^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1101213299 and 1101213308.

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, 22578 + ... + 52078.

Almost surely, 2^1101213328 is an apocalyptic number.

It is an amenable number.

1101213328 is a deficient number, since it is larger than the sum of its proper divisors (1033374380).

1101213328 is a wasteful number, since it uses less digits than its factorization.

1101213328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31842 (or 31836 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1101213328 is about 33184.5344701414. The cubic root of 1101213328 is about 1032.6595197409.

Adding to 1101213328 its reverse (8233121011), we get a palindrome (9334334339).

The spelling of 1101213328 in words is "one billion, one hundred one million, two hundred thirteen thousand, three hundred twenty-eight".