102111221312103 has 8 divisors (see below), whose sum is σ = 136149219481968. Its totient is φ = 68073685341824.

The previous prime is 102111221312099. The next prime is 102111221312141. The reversal of 102111221312103 is 301213122111201.

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

It is a cyclic number.

It is not a de Polignac number, because 102111221312103 - 2² = 102111221312099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102111221312103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111221332103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115034076 + ... + 115918337.

It is an arithmetic number, because the mean of its divisors is an integer number (17018652435246).

Almost surely, 2^{102111221312103} is an apocalyptic number.

102111221312103 is a deficient number, since it is larger than the sum of its proper divisors (34037998169865).

102111221312103 is a wasteful number, since it uses less digits than its factorization.

102111221312103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231099793.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 102111221312103 its reverse (301213122111201), we get a palindrome (403324343423304).

The spelling of 102111221312103 in words is "one hundred two trillion, one hundred eleven billion, two hundred twenty-one million, three hundred twelve thousand, one hundred three".