11021220032 has 14 divisors (see below), whose sum is σ = 21870233628. Its totient is φ = 5510609984.

The previous prime is 11021219999. The next prime is 11021220121. The reversal of 11021220032 is 23002212011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11021219989 and 11021220016.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86103218 + ... + 86103345.

Almost surely, 2^11021220032 is an apocalyptic number.

It is an amenable number.

11021220032 is a deficient number, since it is larger than the sum of its proper divisors (10849013596).

11021220032 is an equidigital number, since it uses as much as digits as its factorization.

11021220032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172206575 (or 172206565 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 11021220032 its reverse (23002212011), we get a palindrome (34023432043).

The spelling of 11021220032 in words is "eleven billion, twenty-one million, two hundred twenty thousand, thirty-two".