1121081235162 has 64 divisors (see below), whose sum is σ = 2602379023104. Its totient is φ = 315336706560.

The previous prime is 1121081235143. The next prime is 1121081235163. The reversal of 1121081235162 is 2615321801211.

It is not an unprimeable number, because it can be changed into a prime (1121081235163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1320768 + ... + 1996644.

It is an arithmetic number, because the mean of its divisors is an integer number (40662172236).

Almost surely, 2^{1121081235162} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121081235162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1301189511552).

1121081235162 is an abundant number, since it is smaller than the sum of its proper divisors (1481297787942).

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

1121081235162 is a wasteful number, since it uses less digits than its factorization.

1121081235162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676503.

The product of its (nonzero) digits is 5760, while the sum is 33.

The spelling of 1121081235162 in words is "one trillion, one hundred twenty-one billion, eighty-one million, two hundred thirty-five thousand, one hundred sixty-two".