1122013322120 has 64 divisors (see below), whose sum is σ = 2557060704000. Its totient is φ = 443024644608.

The previous prime is 1122013322099. The next prime is 1122013322173. The reversal of 1122013322120 is 212233102211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1122013322092 and 1122013322101.

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, 14906099 + ... + 14981181.

It is an arithmetic number, because the mean of its divisors is an integer number (39954073500).

Almost surely, 2^{1122013322120} is an apocalyptic number.

1122013322120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122013322120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1278530352000).

1122013322120 is an abundant number, since it is smaller than the sum of its proper divisors (1435047381880).

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

1122013322120 is a wasteful number, since it uses less digits than its factorization.

1122013322120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79902 (or 79898 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1122013322120 its reverse (212233102211), we get a palindrome (1334246424331).

The spelling of 1122013322120 in words is "one trillion, one hundred twenty-two billion, thirteen million, three hundred twenty-two thousand, one hundred twenty".