1122111000120 has 128 divisors (see below), whose sum is σ = 3716608976640. Its totient is φ = 268749450240.

The previous prime is 1122111000103. The next prime is 1122111000121. The reversal of 1122111000120 is 210001112211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1122111000096 and 1122111000105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122111000121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5011429 + ... + 5230548.

It is an arithmetic number, because the mean of its divisors is an integer number (29036007630).

Almost surely, 2^{1122111000120} is an apocalyptic number.

1122111000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122111000120 is an abundant number, since it is smaller than the sum of its proper divisors (2594497976520).

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

1122111000120 is a wasteful number, since it uses less digits than its factorization.

1122111000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10242085 (or 10242081 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1122111000120 its reverse (210001112211), we get a palindrome (1332112112331).

The spelling of 1122111000120 in words is "one trillion, one hundred twenty-two billion, one hundred eleven million, one hundred twenty", and thus it is an aban number.