11020020221001 has 24 divisors (see below), whose sum is σ = 16150853646592. Its totient is φ = 6678675828000.

The previous prime is 11020020220973. The next prime is 11020020221059. The reversal of 11020020221001 is 10012202002011.

It is not a de Polignac number, because 11020020221001 - 2¹⁴ = 11020020204617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020020225001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21573651 + ... + 22078551.

Almost surely, 2^{11020020221001} is an apocalyptic number.

11020020221001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11020020221001 is a deficient number, since it is larger than the sum of its proper divisors (5130833425591).

11020020221001 is a wasteful number, since it uses less digits than its factorization.

11020020221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565053 (or 565042 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11020020221001 its reverse (10012202002011), we get a palindrome (21032222223012).

The spelling of 11020020221001 in words is "eleven trillion, twenty billion, twenty million, two hundred twenty-one thousand, one".