100203103122 has 16 divisors (see below), whose sum is σ = 207316765440. Its totient is φ = 32249274512.

The previous prime is 100203103087. The next prime is 100203103123. The reversal of 100203103122 is 221301302001.

It is a super-2 number, since 2×100203103122² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100203103123) 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, 287939778 + ... + 287940125.

It is an arithmetic number, because the mean of its divisors is an integer number (12957297840).

Almost surely, 2^100203103122 is an apocalyptic number.

100203103122 is an abundant number, since it is smaller than the sum of its proper divisors (107113662318).

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

100203103122 is a wasteful number, since it uses less digits than its factorization.

100203103122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575879937.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 100203103122 its reverse (221301302001), we get a palindrome (321504405123).

The spelling of 100203103122 in words is "one hundred billion, two hundred three million, one hundred three thousand, one hundred twenty-two".