201102212112111 has 48 divisors (see below), whose sum is σ = 322222816880640. Its totient is φ = 120286797681600.

The previous prime is 201102212112097. The next prime is 201102212112173. The reversal of 201102212112111 is 111211212201102.

It is a happy number.

201102212112111 is a `hidden beast` number, since 20 + 1 + 1 + 0 + 221 + 211 + 211 + 1 = 666.

It is not a de Polignac number, because 201102212112111 - 2⁶ = 201102212112047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201102212112211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 252731551 + ... + 253526016.

It is an arithmetic number, because the mean of its divisors is an integer number (6712975351680).

Almost surely, 2^{201102212112111} is an apocalyptic number.

201102212112111 is a deficient number, since it is larger than the sum of its proper divisors (121120604768529).

201102212112111 is a wasteful number, since it uses less digits than its factorization.

201102212112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506257716 (or 506257713 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 201102212112111 its reverse (111211212201102), we get a palindrome (312313424313213).

The spelling of 201102212112111 in words is "two hundred one trillion, one hundred two billion, two hundred twelve million, one hundred twelve thousand, one hundred eleven".