111120202010221 has 8 divisors (see below), whose sum is σ = 114717002031104. Its totient is φ = 107524169325360.

The previous prime is 111120202010173. The next prime is 111120202010227. The reversal of 111120202010221 is 122010202021111.

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 111120202010221 - 2²¹ = 111120199913069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111120202010195 and 111120202010204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120202010227) 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 7 ways as a sum of consecutive naturals, for example, 191539686 + ... + 192118951.

It is an arithmetic number, because the mean of its divisors is an integer number (14339625253888).

Almost surely, 2^{111120202010221} is an apocalyptic number.

It is an amenable number.

111120202010221 is a deficient number, since it is larger than the sum of its proper divisors (3596800020883).

111120202010221 is an equidigital number, since it uses as much as digits as its factorization.

111120202010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383668011.

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

Adding to 111120202010221 its reverse (122010202021111), we get a palindrome (233130404031332).

The spelling of 111120202010221 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred two million, ten thousand, two hundred twenty-one".