102001918202 has 4 divisors (see below), whose sum is σ = 153002877306. Its totient is φ = 51000959100.

The previous prime is 102001918201. The next prime is 102001918231. The reversal of 102001918202 is 202819100201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 101155166401 + 846751801 = 318049^2 + 29099^2 .

It is not an unprimeable number, because it can be changed into a prime (102001918201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500479549 + ... + 25500479552.

Almost surely, 2^102001918202 is an apocalyptic number.

102001918202 is a deficient number, since it is larger than the sum of its proper divisors (51000959104).

102001918202 is an equidigital number, since it uses as much as digits as its factorization.

102001918202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51000959103.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 102001918202 in words is "one hundred two billion, one million, nine hundred eighteen thousand, two hundred two".