1122022012220 has 48 divisors (see below), whose sum is σ = 2368647888768. Its totient is φ = 446451144000.

The previous prime is 1122022012211. The next prime is 1122022012247. The reversal of 1122022012220 is 222102202211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3808739 + ... + 4092741.

It is an arithmetic number, because the mean of its divisors is an integer number (49346831016).

Almost surely, 2^{1122022012220} is an apocalyptic number.

1122022012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122022012220 is an abundant number, since it is smaller than the sum of its proper divisors (1246625876548).

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

1122022012220 is a wasteful number, since it uses less digits than its factorization.

1122022012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285050 (or 285048 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1122022012220 its reverse (222102202211), we get a palindrome (1344124214431).

The spelling of 1122022012220 in words is "one trillion, one hundred twenty-two billion, twenty-two million, twelve thousand, two hundred twenty".