1121231222022 has 32 divisors (see below), whose sum is σ = 2392497005184. Its totient is φ = 349073628800.

The previous prime is 1121231221987. The next prime is 1121231222029. The reversal of 1121231222022 is 2202221321211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121231222022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121231222029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41942604 + ... + 41969327.

It is an arithmetic number, because the mean of its divisors is an integer number (74765531412).

Almost surely, 2^{1121231222022} is an apocalyptic number.

1121231222022 is an abundant number, since it is smaller than the sum of its proper divisors (1271265783162).

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

1121231222022 is a wasteful number, since it uses less digits than its factorization.

1121231222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83912084.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1121231222022 its reverse (2202221321211), we get a palindrome (3323452543233).

The spelling of 1121231222022 in words is "one trillion, one hundred twenty-one billion, two hundred thirty-one million, two hundred twenty-two thousand, twenty-two".