111120002012221 has 8 divisors (see below), whose sum is σ = 112192057321344. Its totient is φ = 110048568011040.

The previous prime is 111120002012161. The next prime is 111120002012237. The reversal of 111120002012221 is 122210200021111.

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 111120002012221 - 2¹⁵ = 111120001979453 is a prime.

It is a super-4 number, since 4×111120002012221⁴ (a number of 57 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111120002012195 and 111120002012204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120002712221) 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, 154967560 + ... + 155682961.

It is an arithmetic number, because the mean of its divisors is an integer number (14024007165168).

Almost surely, 2^{111120002012221} is an apocalyptic number.

It is an amenable number.

111120002012221 is a deficient number, since it is larger than the sum of its proper divisors (1072055309123).

111120002012221 is a wasteful number, since it uses less digits than its factorization.

111120002012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310653971.

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

Adding to 111120002012221 its reverse (122210200021111), we get a palindrome (233330202033332).

The spelling of 111120002012221 in words is "one hundred eleven trillion, one hundred twenty billion, two million, twelve thousand, two hundred twenty-one".