112001012022221 has 20 divisors (see below), whose sum is σ = 130663577863200. Its totient is φ = 95998292113752.

The previous prime is 112001012022209. The next prime is 112001012022233. The reversal of 112001012022221 is 122220210100211.

It is an interprime number because it is at equal distance from previous prime (112001012022209) and next prime (112001012022233).

It is not a de Polignac number, because 112001012022221 - 2¹⁴ = 112001012005837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112001012022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112001012012221) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 91733600 + ... + 92946518.

It is an arithmetic number, because the mean of its divisors is an integer number (6533178893160).

Almost surely, 2^{112001012022221} is an apocalyptic number.

It is an amenable number.

112001012022221 is a deficient number, since it is larger than the sum of its proper divisors (18662565840979).

112001012022221 is an frugal number, since it uses more digits than its factorization.

112001012022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251406 (or 1251385 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112001012022221 its reverse (122220210100211), we get a palindrome (234221222122432).

The spelling of 112001012022221 in words is "one hundred twelve trillion, one billion, twelve million, twenty-two thousand, two hundred twenty-one".