102111221312102 has 8 divisors (see below), whose sum is σ = 153167516387112. Its totient is φ = 51055382516400.

The previous prime is 102111221312099. The next prime is 102111221312141. The reversal of 102111221312102 is 201213122111201.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 113509799 + ... + 114405842.

It is an arithmetic number, because the mean of its divisors is an integer number (19145939548389).

Almost surely, 2^{102111221312102} is an apocalyptic number.

102111221312102 is a deficient number, since it is larger than the sum of its proper divisors (51056295075010).

102111221312102 is a wasteful number, since it uses less digits than its factorization.

102111221312102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228139654.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 102111221312102 its reverse (201213122111201), we get a palindrome (303324343423303).

The spelling of 102111221312102 in words is "one hundred two trillion, one hundred eleven billion, two hundred twenty-one million, three hundred twelve thousand, one hundred two".