111214242025 has 96 divisors (see below), whose sum is σ = 148394073600. Its totient is φ = 82565683200.

The previous prime is 111214241993. The next prime is 111214242037. The reversal of 111214242025 is 520242412111.

It is not a de Polignac number, because 111214242025 - 2⁵ = 111214241993 is a prime.

It is a super-2 number, since 2×111214242025² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 309788796 + ... + 309789154.

It is an arithmetic number, because the mean of its divisors is an integer number (1545771600).

Almost surely, 2^111214242025 is an apocalyptic number.

It is an amenable number.

111214242025 is a deficient number, since it is larger than the sum of its proper divisors (37179831575).

111214242025 is a wasteful number, since it uses less digits than its factorization.

111214242025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 111214242025 its reverse (520242412111), we get a palindrome (631456654136).

The spelling of 111214242025 in words is "one hundred eleven billion, two hundred fourteen million, two hundred forty-two thousand, twenty-five".