1122211000120 has 64 divisors (see below), whose sum is σ = 2892954444480. Its totient is φ = 383788855296.

The previous prime is 1122211000091. The next prime is 1122211000121. The reversal of 1122211000120 is 210001122211.

It is a self number, because there is not a number n which added to its sum of digits gives 1122211000120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122211000121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4936569 + ... + 5158888.

It is an arithmetic number, because the mean of its divisors is an integer number (45202413195).

Almost surely, 2^{1122211000120} is an apocalyptic number.

1122211000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122211000120 is an abundant number, since it is smaller than the sum of its proper divisors (1770743444360).

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

1122211000120 is a wasteful number, since it uses less digits than its factorization.

1122211000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10095872 (or 10095868 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1122211000120 its reverse (210001122211), we get a palindrome (1332212122331).

The spelling of 1122211000120 in words is "one trillion, one hundred twenty-two billion, two hundred eleven million, one hundred twenty", and thus it is an aban number.