2102522161 has 8 divisors (see below), whose sum is σ = 2194418304. Its totient is φ = 2010666240.

The previous prime is 2102522153. The next prime is 2102522179. The reversal of 2102522161 is 1612252012.

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

It is a cyclic number.

It is not a de Polignac number, because 2102522161 - 2³ = 2102522153 is a prime.

It is a super-2 number, since 2×2102522161² = 8841198874992219842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102522101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153681 + ... + 166801.

It is an arithmetic number, because the mean of its divisors is an integer number (274302288).

Almost surely, 2^2102522161 is an apocalyptic number.

It is an amenable number.

2102522161 is a deficient number, since it is larger than the sum of its proper divisors (91896143).

2102522161 is a wasteful number, since it uses less digits than its factorization.

2102522161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20111.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 2102522161 is about 45853.2677243400. The cubic root of 2102522161 is about 1281.0916308051.

Adding to 2102522161 its reverse (1612252012), we get a palindrome (3714774173).

The spelling of 2102522161 in words is "two billion, one hundred two million, five hundred twenty-two thousand, one hundred sixty-one".