201111120222102 has 16 divisors (see below), whose sum is σ = 446913600493680. Its totient is φ = 67037040074016.

The previous prime is 201111120222079. The next prime is 201111120222119. The reversal of 201111120222102 is 201222021111102.

201111120222102 is a `hidden beast` number, since 201 + 111 + 120 + 22 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1862140002003 + ... + 1862140002110.

It is an arithmetic number, because the mean of its divisors is an integer number (27932100030855).

Almost surely, 2^{201111120222102} is an apocalyptic number.

201111120222102 is an abundant number, since it is smaller than the sum of its proper divisors (245802480271578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201111120222102 is a wasteful number, since it uses less digits than its factorization.

201111120222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3724280004124 (or 3724280004118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 201111120222102 its reverse (201222021111102), we get a palindrome (402333141333204).

The spelling of 201111120222102 in words is "two hundred one trillion, one hundred eleven billion, one hundred twenty million, two hundred twenty-two thousand, one hundred two".