2101322124 has 36 divisors (see below), whose sum is σ = 5794556040. Its totient is φ = 636764160.

The previous prime is 2101322101. The next prime is 2101322141. The reversal of 2101322124 is 4212231012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 2101322097 and 2101322106.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2652789 + ... + 2653580.

It is an arithmetic number, because the mean of its divisors is an integer number (160959890).

Almost surely, 2^2101322124 is an apocalyptic number.

It is an amenable number.

2101322124 is an abundant number, since it is smaller than the sum of its proper divisors (3693233916).

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

2101322124 is a wasteful number, since it uses less digits than its factorization.

2101322124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5306390 (or 5306385 counting only the distinct ones).

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

The square root of 2101322124 is about 45840.1802352478. The cubic root of 2101322124 is about 1280.8478521716.

Adding to 2101322124 its reverse (4212231012), we get a palindrome (6313553136).

The spelling of 2101322124 in words is "two billion, one hundred one million, three hundred twenty-two thousand, one hundred twenty-four".