102111214134 has 16 divisors (see below), whose sum is σ = 204959696688. Its totient is φ = 33914193312.

The previous prime is 102111214111. The next prime is 102111214159. The reversal of 102111214134 is 431412111201.

It is a self number, because there is not a number n which added to its sum of digits gives 102111214134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30717717 + ... + 30721040.

It is an arithmetic number, because the mean of its divisors is an integer number (12809981043).

Almost surely, 2^102111214134 is an apocalyptic number.

102111214134 is an abundant number, since it is smaller than the sum of its proper divisors (102848482554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102111214134 is a wasteful number, since it uses less digits than its factorization.

102111214134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61439039.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 102111214134 its reverse (431412111201), we get a palindrome (533523325335).

The spelling of 102111214134 in words is "one hundred two billion, one hundred eleven million, two hundred fourteen thousand, one hundred thirty-four".