202010100102 has 48 divisors (see below), whose sum is σ = 451855272960. Its totient is φ = 65157663600.

The previous prime is 202010100053. The next prime is 202010100143. The reversal of 202010100102 is 201001010202.

It is a super-3 number, since 3×202010100102³ (a number of 35 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9582049 + ... + 9603107.

It is an arithmetic number, because the mean of its divisors is an integer number (9413651520).

Almost surely, 2^202010100102 is an apocalyptic number.

202010100102 is an abundant number, since it is smaller than the sum of its proper divisors (249845172858).

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

202010100102 is a wasteful number, since it uses less digits than its factorization.

202010100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38289 (or 38286 counting only the distinct ones).

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

Adding to 202010100102 its reverse (201001010202), we get a palindrome (403011110304).

It can be divided in two parts, 202010100 and 102, that added together give a palindrome (202010202).

The spelling of 202010100102 in words is "two hundred two billion, ten million, one hundred thousand, one hundred two".