111120010221 has 32 divisors (see below), whose sum is σ = 163316244096. Its totient is φ = 66643200000.

The previous prime is 111120010217. The next prime is 111120010301. The reversal of 111120010221 is 122010021111.

It is not a de Polignac number, because 111120010221 - 2² = 111120010217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111120010197 and 111120010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120010021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7114821 + ... + 7130421.

It is an arithmetic number, because the mean of its divisors is an integer number (5103632628).

Almost surely, 2^111120010221 is an apocalyptic number.

111120010221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111120010221 is a deficient number, since it is larger than the sum of its proper divisors (52196233875).

111120010221 is a wasteful number, since it uses less digits than its factorization.

111120010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17853.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111120010221 its reverse (122010021111), we get a palindrome (233130031332).

The spelling of 111120010221 in words is "one hundred eleven billion, one hundred twenty million, ten thousand, two hundred twenty-one".