102102211444 has 12 divisors (see below), whose sum is σ = 184442704768. Its totient is φ = 49404295800.

The previous prime is 102102211441. The next prime is 102102211447. The reversal of 102102211444 is 444112201201.

It is an interprime number because it is at equal distance from previous prime (102102211441) and next prime (102102211447).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102211441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411702342 + ... + 411702589.

Almost surely, 2^102102211444 is an apocalyptic number.

It is an amenable number.

102102211444 is a deficient number, since it is larger than the sum of its proper divisors (82340493324).

102102211444 is a wasteful number, since it uses less digits than its factorization.

102102211444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823404966 (or 823404964 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 102102211444 its reverse (444112201201), we get a palindrome (546214412645).

The spelling of 102102211444 in words is "one hundred two billion, one hundred two million, two hundred eleven thousand, four hundred forty-four".