2106120206 has 4 divisors (see below), whose sum is σ = 3159180312. Its totient is φ = 1053060102.

The previous prime is 2106120161. The next prime is 2106120241. The reversal of 2106120206 is 6020216012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526530050 + ... + 526530053.

It is an arithmetic number, because the mean of its divisors is an integer number (789795078).

Almost surely, 2^2106120206 is an apocalyptic number.

2106120206 is a deficient number, since it is larger than the sum of its proper divisors (1053060106).

2106120206 is a wasteful number, since it uses less digits than its factorization.

2106120206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053060105.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2106120206 is about 45892.4852889882. The cubic root of 2106120206 is about 1281.8219914722.

Adding to 2106120206 its reverse (6020216012), we get a palindrome (8126336218).

The spelling of 2106120206 in words is "two billion, one hundred six million, one hundred twenty thousand, two hundred six".