2101232122 has 16 divisors (see below), whose sum is σ = 3439278144. Its totient is φ = 954856000.

The previous prime is 2101232099. The next prime is 2101232123. The reversal of 2101232122 is 2212321012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2101232096 and 2101232105.

It is not an unprimeable number, because it can be changed into a prime (2101232123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93747 + ... + 113977.

It is an arithmetic number, because the mean of its divisors is an integer number (214954884).

Almost surely, 2^2101232122 is an apocalyptic number.

2101232122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2101232122 is a deficient number, since it is larger than the sum of its proper divisors (1338046022).

2101232122 is a wasteful number, since it uses less digits than its factorization.

2101232122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24965.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2101232122 is about 45839.1985313880. The cubic root of 2101232122 is about 1280.8295651904.

Adding to 2101232122 its reverse (2212321012), we get a palindrome (4313553134).

The spelling of 2101232122 in words is "two billion, one hundred one million, two hundred thirty-two thousand, one hundred twenty-two".