100001111212010 has 8 divisors (see below), whose sum is σ = 180002000181636. Its totient is φ = 40000444484800.

The previous prime is 100001111212007. The next prime is 100001111212033. The reversal of 100001111212010 is 10212111100001.

It can be written as a sum of positive squares in 2 ways, for example, as 99950346165289 + 50765046721 = 9997517^2 + 225311^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 100001111211982 and 100001111212000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000055560591 + ... + 5000055560610.

Almost surely, 2^{100001111212010} is an apocalyptic number.

100001111212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100001111212010 is a deficient number, since it is larger than the sum of its proper divisors (80000888969626).

100001111212010 is a wasteful number, since it uses less digits than its factorization.

100001111212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10000111121208.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 100001111212010 its reverse (10212111100001), we get a palindrome (110213222312011).

The spelling of 100001111212010 in words is "one hundred trillion, one billion, one hundred eleven million, two hundred twelve thousand, ten".