100212110211111 has 16 divisors (see below), whose sum is σ = 133895747945088. Its totient is φ = 66668344152800.

The previous prime is 100212110211079. The next prime is 100212110211203. The reversal of 100212110211111 is 111112011212001.

It is a cyclic number.

It is not a de Polignac number, because 100212110211111 - 2⁵ = 100212110211079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212110211911) 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, 3262245 + ... + 14528126.

It is an arithmetic number, because the mean of its divisors is an integer number (8368484246568).

Almost surely, 2^{100212110211111} is an apocalyptic number.

100212110211111 is a deficient number, since it is larger than the sum of its proper divisors (33683637733977).

100212110211111 is a wasteful number, since it uses less digits than its factorization.

100212110211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17794302.

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

Adding to 100212110211111 its reverse (111112011212001), we get a palindrome (211324121423112).

The spelling of 100212110211111 in words is "one hundred trillion, two hundred twelve billion, one hundred ten million, two hundred eleven thousand, one hundred eleven".