100002120202 has 8 divisors (see below), whose sum is σ = 151488360612. Its totient is φ = 49506000000.

The previous prime is 100002120193. The next prime is 100002120241. The reversal of 100002120202 is 202021200001.

It can be written as a sum of positive squares in 2 ways, for example, as 99957777921 + 44342281 = 316161^2 + 6659^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247529799 + ... + 247530202.

Almost surely, 2^100002120202 is an apocalyptic number.

100002120202 is a deficient number, since it is larger than the sum of its proper divisors (51486240410).

100002120202 is a wasteful number, since it uses less digits than its factorization.

100002120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495060104.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 100002120202 its reverse (202021200001), we get a palindrome (302023320203).

The spelling of 100002120202 in words is "one hundred billion, two million, one hundred twenty thousand, two hundred two".