2100120202 has 32 divisors (see below), whose sum is σ = 3405991680. Its totient is φ = 968204160.

The previous prime is 2100120157. The next prime is 2100120221. The reversal of 2100120202 is 2020210012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1417302 + ... + 1418782.

It is an arithmetic number, because the mean of its divisors is an integer number (106437240).

Almost surely, 2^2100120202 is an apocalyptic number.

2100120202 is a deficient number, since it is larger than the sum of its proper divisors (1305871478).

2100120202 is a wasteful number, since it uses less digits than its factorization.

2100120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598.

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

The square root of 2100120202 is about 45827.0684421336. The cubic root of 2100120202 is about 1280.6035975653.

Adding to 2100120202 its reverse (2020210012), we get a palindrome (4120330214).

The spelling of 2100120202 in words is "two billion, one hundred million, one hundred twenty thousand, two hundred two".