102100444422 has 32 divisors (see below), whose sum is σ = 209377617120. Its totient is φ = 33172250880.

The previous prime is 102100444403. The next prime is 102100444423. The reversal of 102100444422 is 224444001201.

It is a junction number, because it is equal to n+sod(n) for n = 102100444392 and 102100444401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102100444423) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 68848 + ... + 457100.

It is an arithmetic number, because the mean of its divisors is an integer number (6543050535).

Almost surely, 2^102100444422 is an apocalyptic number.

102100444422 is an abundant number, since it is smaller than the sum of its proper divisors (107277172698).

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

102100444422 is a wasteful number, since it uses less digits than its factorization.

102100444422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389368.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 102100444422 its reverse (224444001201), we get a palindrome (326544445623).

The spelling of 102100444422 in words is "one hundred two billion, one hundred million, four hundred forty-four thousand, four hundred twenty-two".