112221000420221 has 16 divisors (see below), whose sum is σ = 143165661669888. Its totient is φ = 85411332241200.

The previous prime is 112221000420181. The next prime is 112221000420223. The reversal of 112221000420221 is 122024000122211.

It is a happy number.

It is not a de Polignac number, because 112221000420221 - 2⁶ = 112221000420157 is a prime.

It is a super-4 number, since 4×112221000420221⁴ (a number of 57 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112221000420193 and 112221000420202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221000420223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16946689595 + ... + 16946696216.

It is an arithmetic number, because the mean of its divisors is an integer number (8947853854368).

Almost surely, 2^{112221000420221} is an apocalyptic number.

112221000420221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112221000420221 is a deficient number, since it is larger than the sum of its proper divisors (30944661249667).

112221000420221 is a wasteful number, since it uses less digits than its factorization.

112221000420221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33893385872.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 112221000420221 its reverse (122024000122211), we get a palindrome (234245000542432).

The spelling of 112221000420221 in words is "one hundred twelve trillion, two hundred twenty-one billion, four hundred twenty thousand, two hundred twenty-one".