2100520122 has 8 divisors (see below), whose sum is σ = 4201040256. Its totient is φ = 700173372.

The previous prime is 2100520111. The next prime is 2100520127. The reversal of 2100520122 is 2210250012.

It is a sphenic number, since it is the product of 3 distinct primes.

2100520122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2100520127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175043338 + ... + 175043349.

It is an arithmetic number, because the mean of its divisors is an integer number (525130032).

Almost surely, 2^2100520122 is an apocalyptic number.

2100520122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2100520122 is a wasteful number, since it uses less digits than its factorization.

2100520122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350086692.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2100520122 is about 45831.4315944855. The cubic root of 2100520122 is about 1280.6848796565.

Adding to 2100520122 its reverse (2210250012), we get a palindrome (4310770134).

The spelling of 2100520122 in words is "two billion, one hundred million, five hundred twenty thousand, one hundred twenty-two".