1002221130112 has 128 divisors (see below), whose sum is σ = 2120936037120. Its totient is φ = 470717491200.

The previous prime is 1002221130107. The next prime is 1002221130137. The reversal of 1002221130112 is 2110311222001.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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, 122651787 + ... + 122659957.

It is an arithmetic number, because the mean of its divisors is an integer number (16569812790).

Almost surely, 2^{1002221130112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002221130112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1060468018560).

1002221130112 is an abundant number, since it is smaller than the sum of its proper divisors (1118714907008).

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

1002221130112 is an equidigital number, since it uses as much as digits as its factorization.

1002221130112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8952 (or 8940 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1002221130112 its reverse (2110311222001), we get a palindrome (3112532352113).

The spelling of 1002221130112 in words is "one trillion, two billion, two hundred twenty-one million, one hundred thirty thousand, one hundred twelve".