1002002210000 has 150 divisors (see below), whose sum is σ = 2666540610426. Its totient is φ = 364364000000.

The previous prime is 1002002209937. The next prime is 1002002210009. The reversal of 1002002210000 is 122002001.

It can be written as a sum of positive squares in 5 ways, for example, as 79149944896 + 922852265104 = 281336^2 + 960652^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1002002210000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002002210009) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 795950 + ... + 1624050.

Almost surely, 2^{1002002210000} is an apocalyptic number.

1002002210000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002002210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333270305213).

1002002210000 is an abundant number, since it is smaller than the sum of its proper divisors (1664538400426).

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

1002002210000 is an equidigital number, since it uses as much as digits as its factorization.

1002002210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828151 (or 828119 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 1002002210000 its reverse (122002001), we get a palindrome (1002124212001).

The spelling of 1002002210000 in words is "one trillion, two billion, two million, two hundred ten thousand".