1002021200202 has 64 divisors (see below), whose sum is σ = 2223592560000. Its totient is φ = 298495303680.

The previous prime is 1002021200177. The next prime is 1002021200227. The reversal of 1002021200202 is 2020021202001.

It is an interprime number because it is at equal distance from previous prime (1002021200177) and next prime (1002021200227).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 428674 + ... + 1479122.

It is an arithmetic number, because the mean of its divisors is an integer number (34743633750).

Almost surely, 2^{1002021200202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002021200202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1111796280000).

1002021200202 is an abundant number, since it is smaller than the sum of its proper divisors (1221571359798).

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

1002021200202 is a wasteful number, since it uses less digits than its factorization.

1002021200202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050711.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1002021200202 its reverse (2020021202001), we get a palindrome (3022042402203).

The spelling of 1002021200202 in words is "one trillion, two billion, twenty-one million, two hundred thousand, two hundred two".