202120120102 has 8 divisors (see below), whose sum is σ = 319137031800. Its totient is φ = 95741109504.

The previous prime is 202120119983. The next prime is 202120120109. The reversal of 202120120102 is 201021021202.

It is a happy number.

202120120102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202120120109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2659475227 + ... + 2659475302.

It is an arithmetic number, because the mean of its divisors is an integer number (39892128975).

Almost surely, 2^202120120102 is an apocalyptic number.

202120120102 is a deficient number, since it is larger than the sum of its proper divisors (117016911698).

202120120102 is a wasteful number, since it uses less digits than its factorization.

202120120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5318950550.

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

Adding to 202120120102 its reverse (201021021202), we get a palindrome (403141141304).

The spelling of 202120120102 in words is "two hundred two billion, one hundred twenty million, one hundred twenty thousand, one hundred two".