2821001202 has 64 divisors (see below), whose sum is σ = 6329232000. Its totient is φ = 931331520.

The previous prime is 2821001201. The next prime is 2821001219. The reversal of 2821001202 is 2021001282.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (2821001201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3410713 + ... + 3411539.

It is an arithmetic number, because the mean of its divisors is an integer number (98894250).

Almost surely, 2^2821001202 is an apocalyptic number.

2821001202 is an abundant number, since it is smaller than the sum of its proper divisors (3508230798).

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

2821001202 is a wasteful number, since it uses less digits than its factorization.

2821001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368 (or 1362 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 2821001202 is about 53113.0982150354. The cubic root of 2821001202 is about 1412.9748238625.

Adding to 2821001202 its reverse (2021001282), we get a palindrome (4842002484).

The spelling of 2821001202 in words is "two billion, eight hundred twenty-one million, one thousand, two hundred two".