100120202 has 16 divisors (see below), whose sum is σ = 184837632. Its totient is φ = 39607920.

The previous prime is 100120183. The next prime is 100120213. The reversal of 100120202 is 202021001.

It is a self number, because there is not a number n which added to its sum of digits gives 100120202.

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 7 ways as a sum of consecutive naturals, for example, 274874 + ... + 275237.

It is an arithmetic number, because the mean of its divisors is an integer number (11552352).

Almost surely, 2^100120202 is an apocalyptic number.

100120202 is a deficient number, since it is larger than the sum of its proper divisors (84717430).

100120202 is a wasteful number, since it uses less digits than its factorization.

100120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550133.

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

The square root of 100120202 is about 10006.0082950195. The cubic root of 100120202 is about 464.3447849823.

Adding to 100120202 its reverse (202021001), we get a palindrome (302141203).

It can be divided in two parts, 1001 and 20202, that multiplied together give a palindrome (20222202).

The spelling of 100120202 in words is "one hundred million, one hundred twenty thousand, two hundred two".