10101102644 has 6 divisors (see below), whose sum is σ = 17676929634. Its totient is φ = 5050551320.

The previous prime is 10101102643. The next prime is 10101102647. The reversal of 10101102644 is 44620110101.

It can be written as a sum of positive squares in only one way, i.e., 5372890000 + 4728212644 = 73300^2 + 68762^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101102643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262637827 + ... + 1262637834.

It is an arithmetic number, because the mean of its divisors is an integer number (2946154939).

Almost surely, 2^10101102644 is an apocalyptic number.

It is an amenable number.

10101102644 is a deficient number, since it is larger than the sum of its proper divisors (7575826990).

10101102644 is a wasteful number, since it uses less digits than its factorization.

10101102644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525275665 (or 2525275663 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 10101102644 its reverse (44620110101), we get a palindrome (54721212745).

The spelling of 10101102644 in words is "ten billion, one hundred one million, one hundred two thousand, six hundred forty-four".