1122201211120 has 80 divisors (see below), whose sum is σ = 2846486563200. Its totient is φ = 408047904000.

The previous prime is 1122201211081. The next prime is 1122201211169. The reversal of 1122201211120 is 211121022211.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1122201211094 and 1122201211103.

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, 19904731 + ... + 19961029.

It is an arithmetic number, because the mean of its divisors is an integer number (35581082040).

Almost surely, 2^{1122201211120} is an apocalyptic number.

1122201211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122201211120 is an abundant number, since it is smaller than the sum of its proper divisors (1724285352080).

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

1122201211120 is a wasteful number, since it uses less digits than its factorization.

1122201211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78974 (or 78968 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1122201211120 its reverse (211121022211), we get a palindrome (1333322233331).

The spelling of 1122201211120 in words is "one trillion, one hundred twenty-two billion, two hundred one million, two hundred eleven thousand, one hundred twenty".