10121201044 has 12 divisors (see below), whose sum is σ = 17839528000. Its totient is φ = 5024193048.

The previous prime is 10121201033. The next prime is 10121201047. The reversal of 10121201044 is 44010212101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121201047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9101244 + ... + 9102355.

Almost surely, 2^10121201044 is an apocalyptic number.

It is an amenable number.

10121201044 is a deficient number, since it is larger than the sum of its proper divisors (7718326956).

10121201044 is a wasteful number, since it uses less digits than its factorization.

10121201044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18203742 (or 18203740 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10121201044 its reverse (44010212101), we get a palindrome (54131413145).

The spelling of 10121201044 in words is "ten billion, one hundred twenty-one million, two hundred one thousand, forty-four".