1122222022021 has 8 divisors (see below), whose sum is σ = 1171033035840. Its totient is φ = 1073412570912.

The previous prime is 1122222022013. The next prime is 1122222022043. The reversal of 1122222022021 is 1202202222211.

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

It is a cyclic number.

It is not a de Polignac number, because 1122222022021 - 2³ = 1122222022013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122222022021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122222022001) 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 7 ways as a sum of consecutive naturals, for example, 1217745 + ... + 1930633.

It is an arithmetic number, because the mean of its divisors is an integer number (146379129480).

Almost surely, 2^{1122222022021} is an apocalyptic number.

It is an amenable number.

1122222022021 is a deficient number, since it is larger than the sum of its proper divisors (48811013819).

1122222022021 is an equidigital number, since it uses as much as digits as its factorization.

1122222022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781355.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1122222022021 its reverse (1202202222211), we get a palindrome (2324424244232).

The spelling of 1122222022021 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-two million, twenty-two thousand, twenty-one".