1122002222120 has 64 divisors (see below), whose sum is σ = 2722109861520. Its totient is φ = 413757794304.

The previous prime is 1122002222093. The next prime is 1122002222147. The reversal of 1122002222120 is 212222002211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1122002222093) and next prime (1122002222147).

It can be written as a sum of positive squares in 8 ways, for example, as 331898123236 + 790104098884 = 576106^2 + 888878^2 .

It is an unprimeable number.

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, 939197 + ... + 1768076.

Almost surely, 2^{1122002222120} is an apocalyptic number.

1122002222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122002222120 is an abundant number, since it is smaller than the sum of its proper divisors (1600107639400).

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

1122002222120 is a wasteful number, since it uses less digits than its factorization.

1122002222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708094 (or 2708090 counting only the distinct ones).

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

Adding to 1122002222120 its reverse (212222002211), we get a palindrome (1334224224331).

The spelling of 1122002222120 in words is "one trillion, one hundred twenty-two billion, two million, two hundred twenty-two thousand, one hundred twenty".