111242321020225 has 24 divisors (see below), whose sum is σ = 139080887092800. Its totient is φ = 88259955376320.

The previous prime is 111242321020223. The next prime is 111242321020241. The reversal of 111242321020225 is 522020123242111.

It is not a de Polignac number, because 111242321020225 - 2¹ = 111242321020223 is a prime.

It is a super-3 number, since 3×111242321020225³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111242321020193 and 111242321020202.

It is not an unprimeable number, because it can be changed into a prime (111242321020223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20668527 + ... + 25488676.

It is an arithmetic number, because the mean of its divisors is an integer number (5795036962200).

Almost surely, 2^{111242321020225} is an apocalyptic number.

It is an amenable number.

111242321020225 is a deficient number, since it is larger than the sum of its proper divisors (27838566072575).

111242321020225 is a wasteful number, since it uses less digits than its factorization.

111242321020225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46158009 (or 46158004 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 111242321020225 its reverse (522020123242111), we get a palindrome (633262444262336).

The spelling of 111242321020225 in words is "one hundred eleven trillion, two hundred forty-two billion, three hundred twenty-one million, twenty thousand, two hundred twenty-five".