11020221001 has 8 divisors (see below), whose sum is σ = 11159525664. Its totient is φ = 10881072000.

The previous prime is 11020220993. The next prime is 11020221041. The reversal of 11020221001 is 10012202011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11020221001 - 2³ = 11020220993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020221041) 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, 107001 + ... + 183001.

It is an arithmetic number, because the mean of its divisors is an integer number (1394940708).

Almost surely, 2^11020221001 is an apocalyptic number.

It is an amenable number.

11020221001 is a deficient number, since it is larger than the sum of its proper divisors (139304663).

11020221001 is an equidigital number, since it uses as much as digits as its factorization.

11020221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77831.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11020221001 its reverse (10012202011), we get a palindrome (21032423012).

The spelling of 11020221001 in words is "eleven billion, twenty million, two hundred twenty-one thousand, one".