100211111202111 has 64 divisors (see below), whose sum is σ = 174243994380288. Its totient is φ = 49714558046208.

The previous prime is 100211111202047. The next prime is 100211111202143. The reversal of 100211111202111 is 111202111112001.

It is not a de Polignac number, because 100211111202111 - 2⁶ = 100211111202047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100211111202151) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 883491 + ... + 14184596.

It is an arithmetic number, because the mean of its divisors is an integer number (2722562412192).

Almost surely, 2^{100211111202111} is an apocalyptic number.

100211111202111 is a deficient number, since it is larger than the sum of its proper divisors (74032883178177).

100211111202111 is a wasteful number, since it uses less digits than its factorization.

100211111202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15069560.

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

Adding to 100211111202111 its reverse (111202111112001), we get a palindrome (211413222314112).

The spelling of 100211111202111 in words is "one hundred trillion, two hundred eleven billion, one hundred eleven million, two hundred two thousand, one hundred eleven".