111403421146 has 16 divisors (see below), whose sum is σ = 168358847976. Its totient is φ = 55283969536.

The previous prime is 111403421113. The next prime is 111403421159. The reversal of 111403421146 is 641124304111.

It can be written as a sum of positive squares in 4 ways, for example, as 110912311225 + 491109921 = 333035^2 + 22161^2 .

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 7 ways as a sum of consecutive naturals, for example, 1413000 + ... + 1489756.

Almost surely, 2^111403421146 is an apocalyptic number.

111403421146 is a deficient number, since it is larger than the sum of its proper divisors (56955426830).

111403421146 is a wasteful number, since it uses less digits than its factorization.

111403421146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82193.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 111403421146 its reverse (641124304111), we get a palindrome (752527725257).

The spelling of 111403421146 in words is "one hundred eleven billion, four hundred three million, four hundred twenty-one thousand, one hundred forty-six".