111381771072210 has 32 divisors (see below), whose sum is σ = 273003830376192. Its totient is φ = 29069852307840.

The previous prime is 111381771072197. The next prime is 111381771072223. The reversal of 111381771072210 is 12270177183111.

111381771072210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (111381771072197) and next prime (111381771072223).

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 39497080531 + ... + 39497083350.

It is an arithmetic number, because the mean of its divisors is an integer number (8531369699256).

Almost surely, 2^{111381771072210} is an apocalyptic number.

111381771072210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111381771072210 is an abundant number, since it is smaller than the sum of its proper divisors (161622059303982).

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

111381771072210 is a wasteful number, since it uses less digits than its factorization.

111381771072210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78994163938.

The product of its (nonzero) digits is 32928, while the sum is 42.

The spelling of 111381771072210 in words is "one hundred eleven trillion, three hundred eighty-one billion, seven hundred seventy-one million, seventy-two thousand, two hundred ten".