112212221122001 has 32 divisors (see below), whose sum is σ = 151907707934976. Its totient is φ = 80712087033600.

The previous prime is 112212221121997. The next prime is 112212221122007. The reversal of 112212221122001 is 100221122212211.

It is not a de Polignac number, because 112212221122001 - 2² = 112212221121997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112212221122007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 463102520 + ... + 463344761.

It is an arithmetic number, because the mean of its divisors is an integer number (4747115872968).

Almost surely, 2^{112212221122001} is an apocalyptic number.

112212221122001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112212221122001 is a deficient number, since it is larger than the sum of its proper divisors (39695486812975).

112212221122001 is an equidigital number, since it uses as much as digits as its factorization.

112212221122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926447334 (or 926447312 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 112212221122001 its reverse (100221122212211), we get a palindrome (212433343334212).

The spelling of 112212221122001 in words is "one hundred twelve trillion, two hundred twelve billion, two hundred twenty-one million, one hundred twenty-two thousand, one".