11221022022021 has 24 divisors (see below), whose sum is σ = 19337815731840. Its totient is φ = 6412012583256.

The previous prime is 11221022021987. The next prime is 11221022022103. The reversal of 11221022022021 is 12022022012211.

It is a happy number.

11221022022021 is a `hidden beast` number, since 1 + 1 + 221 + 0 + 220 + 220 + 2 + 1 = 666.

It is not a de Polignac number, because 11221022022021 - 2¹⁰ = 11221022020997 is a prime.

It is a super-2 number, since 2×11221022022021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11221022021985 and 11221022022003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221022012021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4240747741 + ... + 4240750386.

It is an arithmetic number, because the mean of its divisors is an integer number (805742322160).

Almost surely, 2^{11221022022021} is an apocalyptic number.

It is an amenable number.

11221022022021 is a deficient number, since it is larger than the sum of its proper divisors (8116793709819).

11221022022021 is an equidigital number, since it uses as much as digits as its factorization.

11221022022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8481498150 (or 8481498137 counting only the distinct ones).

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

Adding to 11221022022021 its reverse (12022022012211), we get a palindrome (23243044034232).

The spelling of 11221022022021 in words is "eleven trillion, two hundred twenty-one billion, twenty-two million, twenty-two thousand, twenty-one".