201111122010112 has 56 divisors (see below), whose sum is σ = 402301177362000. Its totient is φ = 100529688674304.

The previous prime is 201111122010107. The next prime is 201111122010133. The reversal of 201111122010112 is 211010221111102.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28702389 + ... + 35014987.

It is an arithmetic number, because the mean of its divisors is an integer number (7183949595750).

Almost surely, 2^{201111122010112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201111122010112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201150588681000).

201111122010112 is an abundant number, since it is smaller than the sum of its proper divisors (201190055351888).

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

201111122010112 is an frugal number, since it uses more digits than its factorization.

201111122010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6316514 (or 6316490 counting only the distinct ones).

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

Adding to 201111122010112 its reverse (211010221111102), we get a palindrome (412121343121214).

The spelling of 201111122010112 in words is "two hundred one trillion, one hundred eleven billion, one hundred twenty-two million, ten thousand, one hundred twelve".