2102102255 has 8 divisors (see below), whose sum is σ = 2751843024. Its totient is φ = 1528801600.

The previous prime is 2102102251. The next prime is 2102102269. The reversal of 2102102255 is 5522012012.

It is a happy number.

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

It is not a de Polignac number, because 2102102255 - 2² = 2102102251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102102251) 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 7 ways as a sum of consecutive naturals, for example, 19109966 + ... + 19110075.

It is an arithmetic number, because the mean of its divisors is an integer number (343980378).

Almost surely, 2^2102102255 is an apocalyptic number.

2102102255 is a deficient number, since it is larger than the sum of its proper divisors (649740769).

2102102255 is a wasteful number, since it uses less digits than its factorization.

2102102255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38220057.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2102102255 is about 45848.6886944436. The cubic root of 2102102255 is about 1281.0063405621.

Adding to 2102102255 its reverse (5522012012), we get a palindrome (7624114267).

The spelling of 2102102255 in words is "two billion, one hundred two million, one hundred two thousand, two hundred fifty-five".