100522120506 has 16 divisors (see below), whose sum is σ = 201091831200. Its totient is φ = 33499441808.

The previous prime is 100522120483. The next prime is 100522120507. The reversal of 100522120506 is 605021225001.

It is a happy number.

It is a super-2 number, since 2×100522120506² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100522120507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1955436 + ... + 2006183.

It is an arithmetic number, because the mean of its divisors is an integer number (12568239450).

Almost surely, 2^100522120506 is an apocalyptic number.

100522120506 is an abundant number, since it is smaller than the sum of its proper divisors (100569710694).

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

100522120506 is a wasteful number, since it uses less digits than its factorization.

100522120506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965853.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 100522120506 its reverse (605021225001), we get a palindrome (705543345507).

The spelling of 100522120506 in words is "one hundred billion, five hundred twenty-two million, one hundred twenty thousand, five hundred six".