11221001222022 has 12 divisors (see below), whose sum is σ = 24312169314420. Its totient is φ = 3740333740668.

The previous prime is 11221001221999. The next prime is 11221001222023. The reversal of 11221001222022 is 22022210012211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 623388956779 = 11221001222022 / (1 + 1 + 2 + 2 + 1 + 0 + 0 + 1 + 2 + 2 + 2 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 11221001221986 and 11221001222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221001222023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 311694478372 + ... + 311694478407.

It is an arithmetic number, because the mean of its divisors is an integer number (2026014109535).

Almost surely, 2^{11221001222022} is an apocalyptic number.

11221001222022 is an abundant number, since it is smaller than the sum of its proper divisors (13091168092398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11221001222022 is a wasteful number, since it uses less digits than its factorization.

11221001222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623388956787 (or 623388956784 counting only the distinct ones).

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

Adding to 11221001222022 its reverse (22022210012211), we get a palindrome (33243211234233).

The spelling of 11221001222022 in words is "eleven trillion, two hundred twenty-one billion, one million, two hundred twenty-two thousand, twenty-two".