2171203055 has 16 divisors (see below), whose sum is σ = 3134369280. Its totient is φ = 1410465312.

The previous prime is 2171203037. The next prime is 2171203123. The reversal of 2171203055 is 5503021712.

It is a cyclic number.

It is not a de Polignac number, because 2171203055 - 2⁸ = 2171202799 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 1631819 + ... + 1633148.

It is an arithmetic number, because the mean of its divisors is an integer number (195898080).

Almost surely, 2^2171203055 is an apocalyptic number.

2171203055 is a deficient number, since it is larger than the sum of its proper divisors (963166225).

2171203055 is a wasteful number, since it uses less digits than its factorization.

2171203055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3264998.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 2171203055 is about 46596.1699606309. The cubic root of 2171203055 is about 1294.8917993705.

Adding to 2171203055 its reverse (5503021712), we get a palindrome (7674224767).

The spelling of 2171203055 in words is "two billion, one hundred seventy-one million, two hundred three thousand, fifty-five".