102232021044 has 12 divisors (see below), whose sum is σ = 238541382464. Its totient is φ = 34077340344.

The previous prime is 102232021039. The next prime is 102232021057. The reversal of 102232021044 is 440120232201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×102232021044² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102232021044.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4259667532 + ... + 4259667555.

Almost surely, 2^102232021044 is an apocalyptic number.

It is an amenable number.

102232021044 is an abundant number, since it is smaller than the sum of its proper divisors (136309361420).

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

102232021044 is a wasteful number, since it uses less digits than its factorization.

102232021044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8519335094 (or 8519335092 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 102232021044 its reverse (440120232201), we get a palindrome (542352253245).

The spelling of 102232021044 in words is "one hundred two billion, two hundred thirty-two million, twenty-one thousand, forty-four".