221121120122022 has 8 divisors (see below), whose sum is σ = 442242240244056. Its totient is φ = 73707040040672.

The previous prime is 221121120121999. The next prime is 221121120122029. The reversal of 221121120122022 is 220221021121122.

It is a sphenic number, since it is the product of 3 distinct primes.

221121120122022 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 221121120122022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221121120122029) 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 3 ways as a sum of consecutive naturals, for example, 18426760010163 + ... + 18426760010174.

It is an arithmetic number, because the mean of its divisors is an integer number (55280280030507).

Almost surely, 2^{221121120122022} is an apocalyptic number.

221121120122022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

221121120122022 is a wasteful number, since it uses less digits than its factorization.

221121120122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36853520020342.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 221121120122022 its reverse (220221021121122), we get a palindrome (441342141243144).

The spelling of 221121120122022 in words is "two hundred twenty-one trillion, one hundred twenty-one billion, one hundred twenty million, one hundred twenty-two thousand, twenty-two".