201111000221112 has 64 divisors (see below), whose sum is σ = 532399165873920. Its totient is φ = 63088133856768.

The previous prime is 201111000221077. The next prime is 201111000221143. The reversal of 201111000221112 is 211122000111102.

It is a happy number.

It is a super-2 number, since 2×201111000221112² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201111000221091 and 201111000221100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16860118 + ... + 26200869.

It is an arithmetic number, because the mean of its divisors is an integer number (8318736966780).

Almost surely, 2^{201111000221112} is an apocalyptic number.

It is an amenable number.

201111000221112 is an abundant number, since it is smaller than the sum of its proper divisors (331288165652808).

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

201111000221112 is a wasteful number, since it uses less digits than its factorization.

201111000221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43072460 (or 43072456 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201111000221112 its reverse (211122000111102), we get a palindrome (412233000332214).

The spelling of 201111000221112 in words is "two hundred one trillion, one hundred eleven billion, two hundred twenty-one thousand, one hundred twelve".