102102012111111 has 8 divisors (see below), whose sum is σ = 136136807208960. Its totient is φ = 68067612543672.

The previous prime is 102102012111083. The next prime is 102102012111167. The reversal of 102102012111111 is 111111210201201.

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

It is not a de Polignac number, because 102102012111111 - 2⁷ = 102102012110983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102012111181) 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, 98279751 + ... + 99313208.

It is an arithmetic number, because the mean of its divisors is an integer number (17017100901120).

Almost surely, 2^{102102012111111} is an apocalyptic number.

102102012111111 is a deficient number, since it is larger than the sum of its proper divisors (34034795097849).

102102012111111 is a wasteful number, since it uses less digits than its factorization.

102102012111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197765205.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 102102012111111 its reverse (111111210201201), we get a palindrome (213213222312312).

The spelling of 102102012111111 in words is "one hundred two trillion, one hundred two billion, twelve million, one hundred eleven thousand, one hundred eleven".