2182616121 has 16 divisors (see below), whose sum is σ = 3330489344. Its totient is φ = 1245484944.

The previous prime is 2182616113. The next prime is 2182616141. The reversal of 2182616121 is 1216162812.

It is not a de Polignac number, because 2182616121 - 2³ = 2182616113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2182616141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56215 + ... + 86748.

It is an arithmetic number, because the mean of its divisors is an integer number (208155584).

Almost surely, 2^2182616121 is an apocalyptic number.

2182616121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2182616121 is a deficient number, since it is larger than the sum of its proper divisors (1147873223).

2182616121 is a wasteful number, since it uses less digits than its factorization.

2182616121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143700.

The product of its digits is 2304, while the sum is 30.

The square root of 2182616121 is about 46718.4772975319. The cubic root of 2182616121 is about 1297.1567289237.

Adding to 2182616121 its reverse (1216162812), we get a palindrome (3398778933).

The spelling of 2182616121 in words is "two billion, one hundred eighty-two million, six hundred sixteen thousand, one hundred twenty-one".