102111430 has 8 divisors (see below), whose sum is σ = 183800592. Its totient is φ = 40844568.

The previous prime is 102111397. The next prime is 102111431. The reversal of 102111430 is 34111201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102111430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5105562 + ... + 5105581.

It is an arithmetic number, because the mean of its divisors is an integer number (22975074).

Almost surely, 2^102111430 is an apocalyptic number.

102111430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102111430 is a deficient number, since it is larger than the sum of its proper divisors (81689162).

102111430 is a wasteful number, since it uses less digits than its factorization.

102111430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10211150.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 102111430 is about 10105.0200395645. The cubic root of 102111430 is about 467.4029539188.

Adding to 102111430 its reverse (34111201), we get a palindrome (136222631).

The spelling of 102111430 in words is "one hundred two million, one hundred eleven thousand, four hundred thirty".