1122212002120 has 64 divisors (see below), whose sum is σ = 2760176995200. Its totient is φ = 407239073280.

The previous prime is 1122212002111. The next prime is 1122212002129. The reversal of 1122212002120 is 212002122211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1122212002111) and next prime (1122212002129).

It is a junction number, because it is equal to n+sod(n) for n = 1122212002094 and 1122212002103.

It is not an unprimeable number, because it can be changed into a prime (1122212002129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2404285 + ... + 2832844.

It is an arithmetic number, because the mean of its divisors is an integer number (43127765550).

Almost surely, 2^{1122212002120} is an apocalyptic number.

1122212002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122212002120 is an abundant number, since it is smaller than the sum of its proper divisors (1637964993080).

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

1122212002120 is a wasteful number, since it uses less digits than its factorization.

1122212002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5237638 (or 5237634 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1122212002120 its reverse (212002122211), we get a palindrome (1334214124331).

The spelling of 1122212002120 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, two thousand, one hundred twenty".