11020022001 has 8 divisors (see below), whose sum is σ = 16325958560. Its totient is φ = 7346681316.

The previous prime is 11020021963. The next prime is 11020022003. The reversal of 11020022001 is 10022002011.

It is not a de Polignac number, because 11020022001 - 2⁶ = 11020021937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020022003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204074455 + ... + 204074508.

It is an arithmetic number, because the mean of its divisors is an integer number (2040744820).

Almost surely, 2^11020022001 is an apocalyptic number.

It is an amenable number.

11020022001 is a deficient number, since it is larger than the sum of its proper divisors (5305936559).

11020022001 is an equidigital number, since it uses as much as digits as its factorization.

11020022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408148972 (or 408148966 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 11020022001 its reverse (10022002011), we get a palindrome (21042024012).

The spelling of 11020022001 in words is "eleven billion, twenty million, twenty-two thousand, one".