111421032245 has 64 divisors (see below), whose sum is σ = 144019814400. Its totient is φ = 82511136000.

The previous prime is 111421032241. The next prime is 111421032251. The reversal of 111421032245 is 542230124111.

It is a happy number.

It is not a de Polignac number, because 111421032245 - 2² = 111421032241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111421032241) 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 63 ways as a sum of consecutive naturals, for example, 423653984 + ... + 423654246.

It is an arithmetic number, because the mean of its divisors is an integer number (2250309600).

Almost surely, 2^111421032245 is an apocalyptic number.

It is an amenable number.

111421032245 is a deficient number, since it is larger than the sum of its proper divisors (32598782155).

111421032245 is a wasteful number, since it uses less digits than its factorization.

111421032245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 111421032245 its reverse (542230124111), we get a palindrome (653651156356).

The spelling of 111421032245 in words is "one hundred eleven billion, four hundred twenty-one million, thirty-two thousand, two hundred forty-five".