1122000100120 has 32 divisors (see below), whose sum is σ = 2525374922400. Its totient is φ = 448644538368.

The previous prime is 1122000100097. The next prime is 1122000100139. The reversal of 1122000100120 is 210010002211.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1122000100097 and 1122000100106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4742505 + ... + 4973464.

It is an arithmetic number, because the mean of its divisors is an integer number (78917966325).

Almost surely, 2^{1122000100120} is an apocalyptic number.

1122000100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122000100120 is an abundant number, since it is smaller than the sum of its proper divisors (1403374822280).

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

1122000100120 is a wasteful number, since it uses less digits than its factorization.

1122000100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9718867 (or 9718863 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1122000100120 its reverse (210010002211), we get a palindrome (1332010102331).

The spelling of 1122000100120 in words is "one trillion, one hundred twenty-two billion, one hundred thousand, one hundred twenty".