102111114340242 has 72 divisors (see below), whose sum is σ = 257372843760396. Its totient is φ = 29173339266624.

The previous prime is 102111114340223. The next prime is 102111114340303. The reversal of 102111114340242 is 242043411111201.

102111114340242 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 111 + 143 + 402 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 102056081402961 + 55032937281 = 10102281^2 + 234591^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17940588 + ... + 22936584.

Almost surely, 2^{102111114340242} is an apocalyptic number.

102111114340242 is an abundant number, since it is smaller than the sum of its proper divisors (155261729420154).

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

102111114340242 is a wasteful number, since it uses less digits than its factorization.

102111114340242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5019192 (or 5019182 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

Adding to 102111114340242 its reverse (242043411111201), we get a palindrome (344154525451443).

The spelling of 102111114340242 in words is "one hundred two trillion, one hundred eleven billion, one hundred fourteen million, three hundred forty thousand, two hundred forty-two".