102111238107 has 12 divisors (see below), whose sum is σ = 147508976784. Its totient is φ = 68067251280.

The previous prime is 102111238093. The next prime is 102111238111. The reversal of 102111238107 is 701832111201.

It is not a de Polignac number, because 102111238107 - 2³¹ = 99963754459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102111238507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481183 + ... + 660120.

It is an arithmetic number, because the mean of its divisors is an integer number (12292414732).

Almost surely, 2^102111238107 is an apocalyptic number.

102111238107 is a deficient number, since it is larger than the sum of its proper divisors (45397738677).

102111238107 is a wasteful number, since it uses less digits than its factorization.

102111238107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151250 (or 1151247 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 27.

Adding to 102111238107 its reverse (701832111201), we get a palindrome (803943349308).

The spelling of 102111238107 in words is "one hundred two billion, one hundred eleven million, two hundred thirty-eight thousand, one hundred seven".