111022223131221 has 16 divisors (see below), whose sum is σ = 152811020544000. Its totient is φ = 71624315579760.

The previous prime is 111022223131109. The next prime is 111022223131271. The reversal of 111022223131221 is 122131322220111.

It is not a de Polignac number, because 111022223131221 - 2¹⁴ = 111022223114837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111022223131191 and 111022223131200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111022223131271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22085595 + ... + 26642408.

It is an arithmetic number, because the mean of its divisors is an integer number (9550688784000).

Almost surely, 2^{111022223131221} is an apocalyptic number.

It is an amenable number.

111022223131221 is a deficient number, since it is larger than the sum of its proper divisors (41788797412779).

111022223131221 is a wasteful number, since it uses less digits than its factorization.

111022223131221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48752536.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 111022223131221 its reverse (122131322220111), we get a palindrome (233153545351332).

The spelling of 111022223131221 in words is "one hundred eleven trillion, twenty-two billion, two hundred twenty-three million, one hundred thirty-one thousand, two hundred twenty-one".