100121342344 has 16 divisors (see below), whose sum is σ = 187731561420. Its totient is φ = 50059592640.

The previous prime is 100121342333. The next prime is 100121342371. The reversal of 100121342344 is 443243121001.

It can be written as a sum of positive squares in 2 ways, for example, as 79220857444 + 20900484900 = 281462^2 + 144570^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371622 + ... + 581674.

Almost surely, 2^100121342344 is an apocalyptic number.

It is an amenable number.

100121342344 is a deficient number, since it is larger than the sum of its proper divisors (87610219076).

100121342344 is a wasteful number, since it uses less digits than its factorization.

100121342344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269640 (or 269636 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 100121342344 its reverse (443243121001), we get a palindrome (543364463345).

The spelling of 100121342344 in words is "one hundred billion, one hundred twenty-one million, three hundred forty-two thousand, three hundred forty-four".