10102221144 has 24 divisors (see below), whose sum is σ = 27360182460. Its totient is φ = 3367407024.

The previous prime is 10102221127. The next prime is 10102221203. The reversal of 10102221144 is 44112220101.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70154242 + ... + 70154385.

Almost surely, 2^10102221144 is an apocalyptic number.

It is an amenable number.

10102221144 is an abundant number, since it is smaller than the sum of its proper divisors (17257961316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10102221144 is a wasteful number, since it uses less digits than its factorization.

10102221144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140308639 (or 140308632 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10102221144 its reverse (44112220101), we get a palindrome (54214441245).

The spelling of 10102221144 in words is "ten billion, one hundred two million, two hundred twenty-one thousand, one hundred forty-four".