2122165104 has 80 divisors (see below), whose sum is σ = 5729847552. Its totient is φ = 675541504.

The previous prime is 2122165099. The next prime is 2122165117. The reversal of 2122165104 is 4015612212.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 945007 + ... + 947249.

Almost surely, 2^2122165104 is an apocalyptic number.

2122165104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122165104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2864923776).

2122165104 is an abundant number, since it is smaller than the sum of its proper divisors (3607682448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2122165104 is a wasteful number, since it uses less digits than its factorization.

2122165104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134 (or 3128 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2122165104 is about 46066.9632600196. The cubic root of 2122165104 is about 1285.0688298559.

Adding to 2122165104 its reverse (4015612212), we get a palindrome (6137777316).

The spelling of 2122165104 in words is "two billion, one hundred twenty-two million, one hundred sixty-five thousand, one hundred four".