201111011221112 has 32 divisors (see below), whose sum is σ = 377215176366000. Its totient is φ = 100520300025600.

The previous prime is 201111011221097. The next prime is 201111011221123. The reversal of 201111011221112 is 211122110111102.

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, 713400764 + ... + 713682612.

Almost surely, 2^{201111011221112} is an apocalyptic number.

It is an amenable number.

201111011221112 is a deficient number, since it is larger than the sum of its proper divisors (176104165144888).

201111011221112 is a wasteful number, since it uses less digits than its factorization.

201111011221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312767 (or 312763 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 201111011221112 its reverse (211122110111102), we get a palindrome (412233121332214).

The spelling of 201111011221112 in words is "two hundred one trillion, one hundred eleven billion, eleven million, two hundred twenty-one thousand, one hundred twelve".