202100102 has 8 divisors (see below), whose sum is σ = 305983656. Its totient is φ = 100105552.

The previous prime is 202100069. The next prime is 202100123. The reversal of 202100102 is 201001202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 202100102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471983 + ... + 472410.

It is an arithmetic number, because the mean of its divisors is an integer number (38247957).

Almost surely, 2^202100102 is an apocalyptic number.

202100102 is a deficient number, since it is larger than the sum of its proper divisors (103883554).

202100102 is a wasteful number, since it uses less digits than its factorization.

202100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944502.

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

The square root of 202100102 is about 14216.1915434479. The cubic root of 202100102 is about 586.8433364414.

Adding to 202100102 its reverse (201001202), we get a palindrome (403101304).

It can be divided in two parts, 202100 and 102, that added together give a palindrome (202202).

The spelling of 202100102 in words is "two hundred two million, one hundred thousand, one hundred two".