11021020132 has 12 divisors (see below), whose sum is σ = 19335369340. Its totient is φ = 5496628896.

The previous prime is 11021020123. The next prime is 11021020159. The reversal of 11021020132 is 23102012011.

It can be written as a sum of positive squares in 2 ways, for example, as 7989856996 + 3031163136 = 89386^2 + 55056^2 .

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, 3468507 + ... + 3471682.

Almost surely, 2^11021020132 is an apocalyptic number.

It is an amenable number.

11021020132 is a deficient number, since it is larger than the sum of its proper divisors (8314349208).

11021020132 is a wasteful number, since it uses less digits than its factorization.

11021020132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6940590 (or 6940588 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11021020132 its reverse (23102012011), we get a palindrome (34123032143).

The spelling of 11021020132 in words is "eleven billion, twenty-one million, twenty thousand, one hundred thirty-two".