100222122050 has 18 divisors (see below), whose sum is σ = 186417310809. Its totient is φ = 40087953400.

The previous prime is 100222122043. The next prime is 100222122053. The reversal of 100222122050 is 50221222001.

It can be written as a sum of positive squares in 2 ways, for example, as 98217679609 + 2004442441 = 313397^2 + 44771^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=223855.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100222122053) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 2216165 + ... + 2260935.

Almost surely, 2^100222122050 is an apocalyptic number.

100222122050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100222122050 is a deficient number, since it is larger than the sum of its proper divisors (86195188759).

100222122050 is an frugal number, since it uses more digits than its factorization.

100222122050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89554 (or 44778 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 100222122050 its reverse (50221222001), we get a palindrome (150443344051).

The spelling of 100222122050 in words is "one hundred billion, two hundred twenty-two million, one hundred twenty-two thousand, fifty".