102102002112111 has 16 divisors (see below), whose sum is σ = 136924814085120. Its totient is φ = 67673606682080.

The previous prime is 102102002112107. The next prime is 102102002112137. The reversal of 102102002112111 is 111211200201201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102102002112111 - 2² = 102102002112107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102002110111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37162126 + ... + 39814916.

It is an arithmetic number, because the mean of its divisors is an integer number (8557800880320).

Almost surely, 2^{102102002112111} is an apocalyptic number.

102102002112111 is a deficient number, since it is larger than the sum of its proper divisors (34822811973009).

102102002112111 is a wasteful number, since it uses less digits than its factorization.

102102002112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727126.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102102002112111 its reverse (111211200201201), we get a palindrome (213313202313312).

The spelling of 102102002112111 in words is "one hundred two trillion, one hundred two billion, two million, one hundred twelve thousand, one hundred eleven".