112210011221 has 24 divisors (see below), whose sum is σ = 143018353440. Its totient is φ = 87054458400.

The previous prime is 112210011169. The next prime is 112210011239. The reversal of 112210011221 is 122110012211.

It is not a de Polignac number, because 112210011221 - 2⁶ = 112210011157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112210011196 and 112210011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112210011271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 331115 + ... + 577976.

It is an arithmetic number, because the mean of its divisors is an integer number (5959098060).

Almost surely, 2^112210011221 is an apocalyptic number.

112210011221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112210011221 is a deficient number, since it is larger than the sum of its proper divisors (30808342219).

112210011221 is a wasteful number, since it uses less digits than its factorization.

112210011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909345 (or 909338 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112210011221 its reverse (122110012211), we get a palindrome (234320023432).

It can be divided in two parts, 1122100 and 11221, that multiplied together give a square (12591084100 = 112210²).

The spelling of 112210011221 in words is "one hundred twelve billion, two hundred ten million, eleven thousand, two hundred twenty-one".