111002022101221 has 8 divisors (see below), whose sum is σ = 113583606984320. Its totient is φ = 108420443695872.

The previous prime is 111002022101213. The next prime is 111002022101227. The reversal of 111002022101221 is 122101220200111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111002022101221 - 2³ = 111002022101213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111002022101195 and 111002022101204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111002022101227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60010036 + ... + 61832098.

It is an arithmetic number, because the mean of its divisors is an integer number (14197950873040).

Almost surely, 2^{111002022101221} is an apocalyptic number.

It is an amenable number.

111002022101221 is a deficient number, since it is larger than the sum of its proper divisors (2581584883099).

111002022101221 is a wasteful number, since it uses less digits than its factorization.

111002022101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3238875.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111002022101221 its reverse (122101220200111), we get a palindrome (233103242301332).

The spelling of 111002022101221 in words is "one hundred eleven trillion, two billion, twenty-two million, one hundred one thousand, two hundred twenty-one".