2106202106 has 8 divisors (see below), whose sum is σ = 3182364180. Its totient is φ = 1045414048.

The previous prime is 2106202067. The next prime is 2106202121. The reversal of 2106202106 is 6012026012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2057076025 + 49126081 = 45355^2 + 7009^2 .

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

It is a super-2 number, since 2×2106202106² = 8872174622637670472, which contains 22 as substring.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 3843161 + ... + 3843708.

Almost surely, 2^2106202106 is an apocalyptic number.

2106202106 is a deficient number, since it is larger than the sum of its proper divisors (1076162074).

2106202106 is a wasteful number, since it uses less digits than its factorization.

2106202106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7687008.

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

The square root of 2106202106 is about 45893.3775832636. The cubic root of 2106202106 is about 1281.8386065195.

Adding to 2106202106 its reverse (6012026012), we get a palindrome (8118228118).

It can be divided in two parts, 2 and 106202106, that multiplied together give a palindrome (212404212).

The spelling of 2106202106 in words is "two billion, one hundred six million, two hundred two thousand, one hundred six".