105121502044 has 12 divisors (see below), whose sum is σ = 198113600104. Its totient is φ = 48517616304.

The previous prime is 105121502009. The next prime is 105121502069. The reversal of 105121502044 is 440205121501.

It is a super-2 number, since 2×105121502044² (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 in 3 ways as a sum of consecutive naturals, for example, 1010783622 + ... + 1010783725.

Almost surely, 2^105121502044 is an apocalyptic number.

It is an amenable number.

105121502044 is a deficient number, since it is larger than the sum of its proper divisors (92992098060).

105121502044 is a wasteful number, since it uses less digits than its factorization.

105121502044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021567364 (or 2021567362 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 105121502044 its reverse (440205121501), we get a palindrome (545326623545).

The spelling of 105121502044 in words is "one hundred five billion, one hundred twenty-one million, five hundred two thousand, forty-four".