210111022221112 has 32 divisors (see below), whose sum is σ = 395062027768800. Its totient is φ = 104761157759104.

The previous prime is 210111022221109. The next prime is 210111022221119. The reversal of 210111022221112 is 211122220111012.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 210111022221112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210111022221119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184311018 + ... + 185447494.

It is an arithmetic number, because the mean of its divisors is an integer number (12345688367775).

Almost surely, 2^{210111022221112} is an apocalyptic number.

It is an amenable number.

210111022221112 is a deficient number, since it is larger than the sum of its proper divisors (184951005547688).

210111022221112 is a wasteful number, since it uses less digits than its factorization.

210111022221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201215 (or 1201211 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 210111022221112 its reverse (211122220111012), we get a palindrome (421233242332124).

The spelling of 210111022221112 in words is "two hundred ten trillion, one hundred eleven billion, twenty-two million, two hundred twenty-one thousand, one hundred twelve".