2100120302 has 12 divisors (see below), whose sum is σ = 3664495800. Its totient is φ = 900051516.

The previous prime is 2100120287. The next prime is 2100120329. The reversal of 2100120302 is 2030210012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 10714802 + ... + 10714997.

It is an arithmetic number, because the mean of its divisors is an integer number (305374650).

Almost surely, 2^2100120302 is an apocalyptic number.

2100120302 is a deficient number, since it is larger than the sum of its proper divisors (1564375498).

2100120302 is a wasteful number, since it uses less digits than its factorization.

2100120302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21429815 (or 21429808 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2100120302 is about 45827.0695331918. The cubic root of 2100120302 is about 1280.6036178911.

Adding to 2100120302 its reverse (2030210012), we get a palindrome (4130330314).

The spelling of 2100120302 in words is "two billion, one hundred million, one hundred twenty thousand, three hundred two".