2100122340 has 24 divisors (see below), whose sum is σ = 5880342720. Its totient is φ = 560032608.

The previous prime is 2100122317. The next prime is 2100122371. The reversal of 2100122340 is 432210012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17500960 + ... + 17501079.

It is an arithmetic number, because the mean of its divisors is an integer number (245014280).

Almost surely, 2^2100122340 is an apocalyptic number.

2100122340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100122340 is an abundant number, since it is smaller than the sum of its proper divisors (3780220380).

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

2100122340 is a wasteful number, since it uses less digits than its factorization.

2100122340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35002051 (or 35002049 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2100122340 is about 45827.0917689526. The cubic root of 2100122340 is about 1280.6040321324.

Adding to 2100122340 its reverse (432210012), we get a palindrome (2532332352).

The spelling of 2100122340 in words is "two billion, one hundred million, one hundred twenty-two thousand, three hundred forty".