210120120202 has 8 divisors (see below), whose sum is σ = 316921507812. Its totient is φ = 104479617600.

The previous prime is 210120120193. The next prime is 210120120211. The reversal of 210120120202 is 202021021012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (210120120193) and next prime (210120120211).

It can be written as a sum of positive squares in 2 ways, for example, as 169117515121 + 41002605081 = 411239^2 + 202491^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 290220799 + ... + 290221522.

Almost surely, 2^210120120202 is an apocalyptic number.

210120120202 is a deficient number, since it is larger than the sum of its proper divisors (106801387610).

210120120202 is a wasteful number, since it uses less digits than its factorization.

210120120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580442504.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210120120202 its reverse (202021021012), we get a palindrome (412141141214).

The spelling of 210120120202 in words is "two hundred ten billion, one hundred twenty million, one hundred twenty thousand, two hundred two".