100303121144 has 8 divisors (see below), whose sum is σ = 188068352160. Its totient is φ = 50151560568.

The previous prime is 100303121099. The next prime is 100303121161. The reversal of 100303121144 is 441121303001.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×100303121144² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6268945064 + ... + 6268945079.

It is an arithmetic number, because the mean of its divisors is an integer number (23508544020).

Almost surely, 2^100303121144 is an apocalyptic number.

It is an amenable number.

100303121144 is a deficient number, since it is larger than the sum of its proper divisors (87765231016).

100303121144 is a wasteful number, since it uses less digits than its factorization.

100303121144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12537890149 (or 12537890145 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 100303121144 its reverse (441121303001), we get a palindrome (541424424145).

The spelling of 100303121144 in words is "one hundred billion, three hundred three million, one hundred twenty-one thousand, one hundred forty-four".