202110100002 has 48 divisors (see below), whose sum is σ = 440549481528. Its totient is φ = 66963425280.

The previous prime is 202110100001. The next prime is 202110100061. The reversal of 202110100002 is 200001011202.

202110100002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 175335650361 + 26774449641 = 418731^2 + 163629^2 .

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

It is not an unprimeable number, because it can be changed into a prime (202110100001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19366978 + ... + 19377410.

Almost surely, 2^202110100002 is an apocalyptic number.

202110100002 is an abundant number, since it is smaller than the sum of its proper divisors (238439381526).

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

202110100002 is a wasteful number, since it uses less digits than its factorization.

202110100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16835 (or 16832 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 202110100002 its reverse (200001011202), we get a palindrome (402111111204).

The spelling of 202110100002 in words is "two hundred two billion, one hundred ten million, one hundred thousand, two".