201111223120212 has 24 divisors (see below), whose sum is σ = 469259834573376. Its totient is φ = 67037029522048.

The previous prime is 201111223120177. The next prime is 201111223120229. The reversal of 201111223120212 is 212021322111102.

201111223120212 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 16592668 + ... + 26029580.

It is an arithmetic number, because the mean of its divisors is an integer number (19552493107224).

Almost surely, 2^{201111223120212} is an apocalyptic number.

It is an amenable number.

201111223120212 is an abundant number, since it is smaller than the sum of its proper divisors (268148611453164).

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

201111223120212 is a wasteful number, since it uses less digits than its factorization.

201111223120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11212847 (or 11212845 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 201111223120212 its reverse (212021322111102), we get a palindrome (413132545231314).

The spelling of 201111223120212 in words is "two hundred one trillion, one hundred eleven billion, two hundred twenty-three million, one hundred twenty thousand, two hundred twelve".