11022222011021 has 4 divisors (see below), whose sum is σ = 11870085242652. Its totient is φ = 10174358779392.

The previous prime is 11022222010883. The next prime is 11022222011027. The reversal of 11022222011021 is 12011022222011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2216343810121 + 8805878200900 = 1488739^2 + 2967470^2 .

It is a cyclic number.

It is not a de Polignac number, because 11022222011021 - 2¹⁸ = 11022221748877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022222011027) 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, 423931615796 + ... + 423931615821.

It is an arithmetic number, because the mean of its divisors is an integer number (2967521310663).

Almost surely, 2^{11022222011021} is an apocalyptic number.

It is an amenable number.

11022222011021 is a deficient number, since it is larger than the sum of its proper divisors (847863231631).

11022222011021 is an equidigital number, since it uses as much as digits as its factorization.

11022222011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847863231630.

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

Adding to 11022222011021 its reverse (12011022222011), we get a palindrome (23033244233032).

The spelling of 11022222011021 in words is "eleven trillion, twenty-two billion, two hundred twenty-two million, eleven thousand, twenty-one".