111220101112004 has 12 divisors (see below), whose sum is σ = 194637087176700. Its totient is φ = 55609504775808.

The previous prime is 111220101111989. The next prime is 111220101112033. The reversal of 111220101112004 is 400211101022111.

It can be written as a sum of positive squares in 2 ways, for example, as 66256344040000 + 44963757072004 = 8139800^2 + 6705502^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135986369 + ... + 136801800.

It is an arithmetic number, because the mean of its divisors is an integer number (16219757264725).

Almost surely, 2^{111220101112004} is an apocalyptic number.

It is an amenable number.

111220101112004 is a deficient number, since it is larger than the sum of its proper divisors (83416986064696).

111220101112004 is a wasteful number, since it uses less digits than its factorization.

111220101112004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272890102 (or 272890100 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111220101112004 its reverse (400211101022111), we get a palindrome (511431202134115).

The spelling of 111220101112004 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred one million, one hundred twelve thousand, four".