102116214644 has 12 divisors (see below), whose sum is σ = 178736834304. Its totient is φ = 51048547704.

The previous prime is 102116214611. The next prime is 102116214667. The reversal of 102116214644 is 446412611201.

It is a self number, because there is not a number n which added to its sum of digits gives 102116214644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2365844 + ... + 2408619.

It is an arithmetic number, because the mean of its divisors is an integer number (14894736192).

Almost surely, 2^102116214644 is an apocalyptic number.

It is an amenable number.

102116214644 is a deficient number, since it is larger than the sum of its proper divisors (76620619660).

102116214644 is a wasteful number, since it uses less digits than its factorization.

102116214644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4779814 (or 4779812 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

Adding to 102116214644 its reverse (446412611201), we get a palindrome (548528825845).

The spelling of 102116214644 in words is "one hundred two billion, one hundred sixteen million, two hundred fourteen thousand, six hundred forty-four".