11020011110221 has 4 divisors (see below), whose sum is σ = 11020223891232. Its totient is φ = 11019798329212.

The previous prime is 11020011110209. The next prime is 11020011110233. The reversal of 11020011110221 is 12201111002011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (11020011110209) and next prime (11020011110233).

It is a cyclic number.

It is not a de Polignac number, because 11020011110221 - 2⁵ = 11020011110189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020011110291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106312801 + ... + 106416406.

It is an arithmetic number, because the mean of its divisors is an integer number (2755055972808).

Almost surely, 2^{11020011110221} is an apocalyptic number.

It is an amenable number.

11020011110221 is a deficient number, since it is larger than the sum of its proper divisors (212781011).

11020011110221 is an equidigital number, since it uses as much as digits as its factorization.

11020011110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212781010.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11020011110221 its reverse (12201111002011), we get a palindrome (23221122112232).

The spelling of 11020011110221 in words is "eleven trillion, twenty billion, eleven million, one hundred ten thousand, two hundred twenty-one".