2172101055 has 16 divisors (see below), whose sum is σ = 3476056704. Its totient is φ = 1158222240.

The previous prime is 2172101027. The next prime is 2172101137. The reversal of 2172101055 is 5501012712.

It is not a de Polignac number, because 2172101055 - 2⁵ = 2172101023 is a prime.

It is a super-2 number, since 2×2172101055² = 9436045986264226050, which contains 22 as substring.

It is a congruent number.

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, 85140 + ... + 107670.

It is an arithmetic number, because the mean of its divisors is an integer number (217253544).

Almost surely, 2^2172101055 is an apocalyptic number.

2172101055 is a deficient number, since it is larger than the sum of its proper divisors (1303955649).

2172101055 is a wasteful number, since it uses less digits than its factorization.

2172101055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28966.

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 2172101055 is about 46605.8049495983. The cubic root of 2172101055 is about 1295.0702952753.

Adding to 2172101055 its reverse (5501012712), we get a palindrome (7673113767).

The spelling of 2172101055 in words is "two billion, one hundred seventy-two million, one hundred one thousand, fifty-five".