100212100111 has 16 divisors (see below), whose sum is σ = 104791903200. Its totient is φ = 95709040000.

The previous prime is 100212100099. The next prime is 100212100127. The reversal of 100212100111 is 111001212001.

It is a cyclic number.

It is not a de Polignac number, because 100212100111 - 2⁷ = 100212099983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212100181) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3232836 + ... + 3263686.

It is an arithmetic number, because the mean of its divisors is an integer number (6549493950).

Almost surely, 2^100212100111 is an apocalyptic number.

100212100111 is a deficient number, since it is larger than the sum of its proper divisors (4579803089).

100212100111 is a wasteful number, since it uses less digits than its factorization.

100212100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32090.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100212100111 its reverse (111001212001), we get a palindrome (211213312112).

The spelling of 100212100111 in words is "one hundred billion, two hundred twelve million, one hundred thousand, one hundred eleven".