2321122122 has 32 divisors (see below), whose sum is σ = 5626964160. Its totient is φ = 703370160.

The previous prime is 2321122103. The next prime is 2321122123. The reversal of 2321122122 is 2212211232.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2321122095 and 2321122104.

It is not an unprimeable number, because it can be changed into a prime (2321122123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1953213 + ... + 1954400.

It is an arithmetic number, because the mean of its divisors is an integer number (175842630).

Almost surely, 2^2321122122 is an apocalyptic number.

2321122122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2321122122 is an abundant number, since it is smaller than the sum of its proper divisors (3305842038).

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

2321122122 is a wasteful number, since it uses less digits than its factorization.

2321122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3907635 (or 3907629 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 2321122122 is about 48178.0253019984. The cubic root of 2321122122 is about 1324.0345875145.

Adding to 2321122122 its reverse (2212211232), we get a palindrome (4533333354).

The spelling of 2321122122 in words is "two billion, three hundred twenty-one million, one hundred twenty-two thousand, one hundred twenty-two".