111010032221 has 8 divisors (see below), whose sum is σ = 121139961888. Its totient is φ = 100886454000.

The previous prime is 111010032191. The next prime is 111010032227. The reversal of 111010032221 is 122230010111.

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 111010032221 - 2⁶ = 111010032157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111010032196 and 111010032205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111010032227) 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, 1551275 + ... + 1621256.

It is an arithmetic number, because the mean of its divisors is an integer number (15142495236).

Almost surely, 2^111010032221 is an apocalyptic number.

111010032221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111010032221 is a deficient number, since it is larger than the sum of its proper divisors (10129929667).

111010032221 is a wasteful number, since it uses less digits than its factorization.

111010032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175723.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 111010032221 its reverse (122230010111), we get a palindrome (233240042332).

The spelling of 111010032221 in words is "one hundred eleven billion, ten million, thirty-two thousand, two hundred twenty-one".