1222122211120 has 40 divisors (see below), whose sum is σ = 2841486102000. Its totient is φ = 488839944960.

The previous prime is 1222122211117. The next prime is 1222122211133. The reversal of 1222122211120 is 211122212221.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5866506 + ... + 6071254.

It is an arithmetic number, because the mean of its divisors is an integer number (71037152550).

Almost surely, 2^{1222122211120} is an apocalyptic number.

1222122211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222122211120 is an abundant number, since it is smaller than the sum of its proper divisors (1619363890880).

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

1222122211120 is a wasteful number, since it uses less digits than its factorization.

1222122211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279373 (or 279367 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1222122211120 its reverse (211122212221), we get a palindrome (1433244423341).

It can be divided in two parts, 122212 and 2211120, that added together give a palindrome (2333332).

The spelling of 1222122211120 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-two million, two hundred eleven thousand, one hundred twenty".