201210012100111 has 16 divisors (see below), whose sum is σ = 239956129396224. Its totient is φ = 164964590819424.

The previous prime is 201210012100081. The next prime is 201210012100129. The reversal of 201210012100111 is 111001210012102.

It is a happy number.

It is not a de Polignac number, because 201210012100111 - 2¹¹ = 201210012098063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201210012100091 and 201210012100100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201210012100151) 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, 245661 + ... + 20061913.

It is an arithmetic number, because the mean of its divisors is an integer number (14997258087264).

Almost surely, 2^{201210012100111} is an apocalyptic number.

201210012100111 is a deficient number, since it is larger than the sum of its proper divisors (38746117296113).

201210012100111 is a wasteful number, since it uses less digits than its factorization.

201210012100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19879350.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 201210012100111 its reverse (111001210012102), we get a palindrome (312211222112213).

The spelling of 201210012100111 in words is "two hundred one trillion, two hundred ten billion, twelve million, one hundred thousand, one hundred eleven".