111211002112210 has 512 divisors, whose sum is σ = 280796590448640. Its totient is φ = 30859922396160.

The previous prime is 111211002112163. The next prime is 111211002112279. The reversal of 111211002112210 is 12211200112111.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 3787438989 + ... + 3787468351.

It is an arithmetic number, because the mean of its divisors is an integer number (548430840720).

Almost surely, 2^{111211002112210} is an apocalyptic number.

111211002112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111211002112210 is an abundant number, since it is smaller than the sum of its proper divisors (169585588336430).

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

111211002112210 is a wasteful number, since it uses less digits than its factorization.

111211002112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29535 (or 29513 counting only the distinct ones).

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

Adding to 111211002112210 its reverse (12211200112111), we get a palindrome (123422202224321).

The spelling of 111211002112210 in words is "one hundred eleven trillion, two hundred eleven billion, two million, one hundred twelve thousand, two hundred ten".