111229421877776 has 20 divisors (see below), whose sum is σ = 220092260312832. Its totient is φ = 54431419216416.

The previous prime is 111229421877737. The next prime is 111229421877797. The reversal of 111229421877776 is 677778124922111.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 73955731880 + ... + 73955733383.

Almost surely, 2^{111229421877776} is an apocalyptic number.

111229421877776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

111229421877776 is a deficient number, since it is larger than the sum of its proper divisors (108862838435056).

111229421877776 is a wasteful number, since it uses less digits than its factorization.

111229421877776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147911465318 (or 147911465312 counting only the distinct ones).

The product of its digits is 33191424, while the sum is 65.

The spelling of 111229421877776 in words is "one hundred eleven trillion, two hundred twenty-nine billion, four hundred twenty-one million, eight hundred seventy-seven thousand, seven hundred seventy-six".