11022221202021 has 48 divisors (see below), whose sum is σ = 16293328257024. Its totient is φ = 7178894769312.

The previous prime is 11022221202007. The next prime is 11022221202029. The reversal of 11022221202021 is 12020212222011.

It is a happy number.

It is not a de Polignac number, because 11022221202021 - 2¹⁴ = 11022221185637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11022221201985 and 11022221202003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022221202029) 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 47 ways as a sum of consecutive naturals, for example, 20154436 + ... + 20694098.

It is an arithmetic number, because the mean of its divisors is an integer number (339444338688).

Almost surely, 2^{11022221202021} is an apocalyptic number.

It is an amenable number.

11022221202021 is a deficient number, since it is larger than the sum of its proper divisors (5271107055003).

11022221202021 is a wasteful number, since it uses less digits than its factorization.

11022221202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540070 (or 540067 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11022221202021 its reverse (12020212222011), we get a palindrome (23042433424032).

The spelling of 11022221202021 in words is "eleven trillion, twenty-two billion, two hundred twenty-one million, two hundred two thousand, twenty-one".