1002010112100 has 108 divisors (see below), whose sum is σ = 3325494787524. Its totient is φ = 251484887040.

The previous prime is 1002010112057. The next prime is 1002010112111. The reversal of 1002010112100 is 12110102001.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 16056437796 + 985953674304 = 126714^2 + 992952^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

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 35 ways as a sum of consecutive naturals, for example, 32730129 + ... + 32760728.

It is an arithmetic number, because the mean of its divisors is an integer number (30791618403).

Almost surely, 2^{1002010112100} is an apocalyptic number.

1002010112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002010112100 is an abundant number, since it is smaller than the sum of its proper divisors (2323484675424).

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

1002010112100 is a wasteful number, since it uses less digits than its factorization.

1002010112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65490894 (or 65490884 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1002010112100 its reverse (12110102001), we get a palindrome (1014120214101).

The spelling of 1002010112100 in words is "one trillion, two billion, ten million, one hundred twelve thousand, one hundred".