102111212113 has 8 divisors (see below), whose sum is σ = 108177487200. Its totient is φ = 96051574080.

The previous prime is 102111212111. The next prime is 102111212123. The reversal of 102111212113 is 311212111201.

It is a happy number.

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 102111212113 - 2¹ = 102111212111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102111212111) 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 7 ways as a sum of consecutive naturals, for example, 1627563 + ... + 1689136.

It is an arithmetic number, because the mean of its divisors is an integer number (13522185900).

Almost surely, 2^102111212113 is an apocalyptic number.

It is an amenable number.

102111212113 is a deficient number, since it is larger than the sum of its proper divisors (6066275087).

102111212113 is a wasteful number, since it uses less digits than its factorization.

102111212113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318527.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 102111212113 its reverse (311212111201), we get a palindrome (413323323314).

The spelling of 102111212113 in words is "one hundred two billion, one hundred eleven million, two hundred twelve thousand, one hundred thirteen".