1021113332 has 12 divisors (see below), whose sum is σ = 1789867716. Its totient is φ = 509722560.

The previous prime is 1021113307. The next prime is 1021113341. The reversal of 1021113332 is 2333111201.

It can be written as a sum of positive squares in 2 ways, for example, as 263542756 + 757570576 = 16234^2 + 27524^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1021113332.

It is a congruent number.

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, 205769 + ... + 210672.

It is an arithmetic number, because the mean of its divisors is an integer number (149155643).

Almost surely, 2^1021113332 is an apocalyptic number.

It is an amenable number.

1021113332 is a deficient number, since it is larger than the sum of its proper divisors (768754384).

1021113332 is a wasteful number, since it uses less digits than its factorization.

1021113332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417058 (or 417056 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1021113332 is about 31954.8639803082. The cubic root of 1021113332 is about 1006.9888199428.

Adding to 1021113332 its reverse (2333111201), we get a palindrome (3354224533).

The spelling of 1021113332 in words is "one billion, twenty-one million, one hundred thirteen thousand, three hundred thirty-two".