111120213025 has 24 divisors (see below), whose sum is σ = 139645169280. Its totient is φ = 87700491840.

The previous prime is 111120213013. The next prime is 111120213041. The reversal of 111120213025 is 520312021111.

It is a de Polignac number, because none of the positive numbers 2^k-111120213025 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111120212993 and 111120213011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2511999 + ... + 2555851.

It is an arithmetic number, because the mean of its divisors is an integer number (5818548720).

Almost surely, 2^111120213025 is an apocalyptic number.

It is an amenable number.

111120213025 is a deficient number, since it is larger than the sum of its proper divisors (28524956255).

111120213025 is a wasteful number, since it uses less digits than its factorization.

111120213025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45225 (or 45220 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 111120213025 its reverse (520312021111), we get a palindrome (631432234136).

The spelling of 111120213025 in words is "one hundred eleven billion, one hundred twenty million, two hundred thirteen thousand, twenty-five".