102111780830 has 16 divisors (see below), whose sum is σ = 183852740304. Its totient is φ = 40833260160.

The previous prime is 102111780677. The next prime is 102111780851. The reversal of 102111780830 is 38087111201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1394027 + ... + 1465446.

It is an arithmetic number, because the mean of its divisors is an integer number (11490796269).

Almost surely, 2^102111780830 is an apocalyptic number.

102111780830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102111780830 is a deficient number, since it is larger than the sum of its proper divisors (81740959474).

102111780830 is a wasteful number, since it uses less digits than its factorization.

102111780830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863051.

The product of its (nonzero) digits is 2688, while the sum is 32.

The spelling of 102111780830 in words is "one hundred two billion, one hundred eleven million, seven hundred eighty thousand, eight hundred thirty".