11022221201021 has 4 divisors (see below), whose sum is σ = 11068339281600. Its totient is φ = 10976103120444.

The previous prime is 11022221201009. The next prime is 11022221201027. The reversal of 11022221201021 is 12010212222011.

11022221201021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11022221201021 - 2⁶ = 11022221200957 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 (11022221201027) 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, 23059039931 + ... + 23059040408.

It is an arithmetic number, because the mean of its divisors is an integer number (2767084820400).

Almost surely, 2^{11022221201021} is an apocalyptic number.

It is an amenable number.

11022221201021 is a deficient number, since it is larger than the sum of its proper divisors (46118080579).

11022221201021 is an equidigital number, since it uses as much as digits as its factorization.

11022221201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46118080578.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11022221201021 its reverse (12010212222011), we get a palindrome (23032433423032).

The spelling of 11022221201021 in words is "eleven trillion, twenty-two billion, two hundred twenty-one million, two hundred one thousand, twenty-one".