111421120302 has 24 divisors (see below), whose sum is σ = 241421838840. Its totient is φ = 37138925520.

The previous prime is 111421120301. The next prime is 111421120339. The reversal of 111421120302 is 203021124111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111421120301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 419152 + ... + 631292.

It is an arithmetic number, because the mean of its divisors is an integer number (10059243285).

Almost surely, 2^111421120302 is an apocalyptic number.

111421120302 is an abundant number, since it is smaller than the sum of its proper divisors (130000718538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111421120302 is a wasteful number, since it uses less digits than its factorization.

111421120302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241328 (or 241325 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 111421120302 its reverse (203021124111), we get a palindrome (314442244413).

The spelling of 111421120302 in words is "one hundred eleven billion, four hundred twenty-one million, one hundred twenty thousand, three hundred two".