1002221113032 has 48 divisors (see below), whose sum is σ = 2758846381980. Its totient is φ = 328597084800.

The previous prime is 1002221113009. The next prime is 1002221113081. The reversal of 1002221113032 is 2303111222001.

It can be written as a sum of positive squares in 2 ways, for example, as 1001828835396 + 392277636 = 1000914^2 + 19806^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1002221112996 and 1002221113014.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 114091819 + ... + 114100602.

Almost surely, 2^{1002221113032} is an apocalyptic number.

1002221113032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002221113032 is an abundant number, since it is smaller than the sum of its proper divisors (1756625268948).

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

1002221113032 is a wasteful number, since it uses less digits than its factorization.

1002221113032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228192494 (or 228192487 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1002221113032 its reverse (2303111222001), we get a palindrome (3305332335033).

The spelling of 1002221113032 in words is "one trillion, two billion, two hundred twenty-one million, one hundred thirteen thousand, thirty-two".