100101121212111 has 16 divisors (see below), whose sum is σ = 137227997372928. Its totient is φ = 64866175185600.

The previous prime is 100101121212101. The next prime is 100101121212259. The reversal of 100101121212111 is 111212121101001.

It is a de Polignac number, because none of the positive numbers 2^k-100101121212111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100101121212101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1501498501 + ... + 1501565166.

It is an arithmetic number, because the mean of its divisors is an integer number (8576749835808).

Almost surely, 2^{100101121212111} is an apocalyptic number.

100101121212111 is a deficient number, since it is larger than the sum of its proper divisors (37126876160817).

100101121212111 is a wasteful number, since it uses less digits than its factorization.

100101121212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003063982.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 100101121212111 its reverse (111212121101001), we get a palindrome (211313242313112).

The spelling of 100101121212111 in words is "one hundred trillion, one hundred one billion, one hundred twenty-one million, two hundred twelve thousand, one hundred eleven".