111120000120221 has 4 divisors (see below), whose sum is σ = 116968421179200. Its totient is φ = 105271579061244.

The previous prime is 111120000120203. The next prime is 111120000120277. The reversal of 111120000120221 is 122021000021111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 111120000120221 - 2³⁸ = 110845122213277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111120000120196 and 111120000120205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120000120281) 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 3 ways as a sum of consecutive naturals, for example, 2924210529461 + ... + 2924210529498.

It is an arithmetic number, because the mean of its divisors is an integer number (29242105294800).

Almost surely, 2^{111120000120221} is an apocalyptic number.

It is an amenable number.

111120000120221 is a deficient number, since it is larger than the sum of its proper divisors (5848421058979).

111120000120221 is an equidigital number, since it uses as much as digits as its factorization.

111120000120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5848421058978.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111120000120221 its reverse (122021000021111), we get a palindrome (233141000141332).

The spelling of 111120000120221 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred twenty thousand, two hundred twenty-one".