1122221021022 has 12 divisors (see below), whose sum is σ = 2431478878920. Its totient is φ = 374073673668.

The previous prime is 1122221021017. The next prime is 1122221021039. The reversal of 1122221021022 is 2201201222211.

It is a happy number.

1122221021022 is a `hidden beast` number, since 1 + 1 + 222 + 210 + 210 + 22 = 666.

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: 62345612279 = 1122221021022 / (1 + 1 + 2 + 2 + 2 + 2 + 1 + 0 + 2 + 1 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1122221020986 and 1122221021004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31172806122 + ... + 31172806157.

It is an arithmetic number, because the mean of its divisors is an integer number (202623239910).

Almost surely, 2^{1122221021022} is an apocalyptic number.

1122221021022 is an abundant number, since it is smaller than the sum of its proper divisors (1309257857898).

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

1122221021022 is a wasteful number, since it uses less digits than its factorization.

1122221021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62345612287 (or 62345612284 counting only the distinct ones).

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

Adding to 1122221021022 its reverse (2201201222211), we get a palindrome (3323422243233).

The spelling of 1122221021022 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-one million, twenty-one thousand, twenty-two".