202100100210 has 24 divisors (see below), whose sum is σ = 525460260780. Its totient is φ = 53893360032.

The previous prime is 202100100151. The next prime is 202100100221. The reversal of 202100100210 is 12001001202.

202100100210 is digitally balanced in base 2, 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 2 ways, for example, as 182323022049 + 19777078161 = 426993^2 + 140631^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 202100100192 and 202100100201.

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 11 ways as a sum of consecutive naturals, for example, 1122778245 + ... + 1122778424.

Almost surely, 2^202100100210 is an apocalyptic number.

202100100210 is an abundant number, since it is smaller than the sum of its proper divisors (323360160570).

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

202100100210 is a wasteful number, since it uses less digits than its factorization.

202100100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245556682 (or 2245556679 counting only the distinct ones).

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

Adding to 202100100210 its reverse (12001001202), we get a palindrome (214101101412).

The spelling of 202100100210 in words is "two hundred two billion, one hundred million, one hundred thousand, two hundred ten".