111100505101010 has 8 divisors (see below), whose sum is σ = 199980909181836. Its totient is φ = 44440202040400.

The previous prime is 111100505101009. The next prime is 111100505101021. The reversal of 111100505101010 is 10101505001111.

It can be written as a sum of positive squares in 2 ways, for example, as 96796534821529 + 14303970279481 = 9838523^2 + 3782059^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111100505101010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5555025255041 + ... + 5555025255060.

Almost surely, 2^{111100505101010} is an apocalyptic number.

111100505101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111100505101010 is a deficient number, since it is larger than the sum of its proper divisors (88880404080826).

111100505101010 is a wasteful number, since it uses less digits than its factorization.

111100505101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110050510108.

The product of its (nonzero) digits is 25, while the sum is 17.

The spelling of 111100505101010 in words is "one hundred eleven trillion, one hundred billion, five hundred five million, one hundred one thousand, ten".