11022220110021 has 4 divisors (see below), whose sum is σ = 14696293480032. Its totient is φ = 7348146740012.

The previous prime is 11022220109987. The next prime is 11022220110047. The reversal of 11022220110021 is 12001102222011.

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 a cyclic number.

It is not a de Polignac number, because 11022220110021 - 2¹⁹ = 11022219585733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022220310021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1837036685001 + ... + 1837036685006.

It is an arithmetic number, because the mean of its divisors is an integer number (3674073370008).

Almost surely, 2^{11022220110021} is an apocalyptic number.

It is an amenable number.

11022220110021 is a deficient number, since it is larger than the sum of its proper divisors (3674073370011).

11022220110021 is an equidigital number, since it uses as much as digits as its factorization.

11022220110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674073370010.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11022220110021 its reverse (12001102222011), we get a palindrome (23023322332032).

The spelling of 11022220110021 in words is "eleven trillion, twenty-two billion, two hundred twenty million, one hundred ten thousand, twenty-one".