111102111012201 has 16 divisors (see below), whose sum is σ = 148259216920320. Its totient is φ = 74006558912000.

The previous prime is 111102111012173. The next prime is 111102111012247. The reversal of 111102111012201 is 102210111201111.

It is a cyclic number.

It is not a de Polignac number, because 111102111012201 - 2¹⁴ = 111102110995817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111102111012251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20573785 + ... + 25406393.

It is an arithmetic number, because the mean of its divisors is an integer number (9266201057520).

Almost surely, 2^{111102111012201} is an apocalyptic number.

It is an amenable number.

111102111012201 is a deficient number, since it is larger than the sum of its proper divisors (37157105908119).

111102111012201 is a wasteful number, since it uses less digits than its factorization.

111102111012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4838976.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111102111012201 its reverse (102210111201111), we get a palindrome (213312222213312).

The spelling of 111102111012201 in words is "one hundred eleven trillion, one hundred two billion, one hundred eleven million, twelve thousand, two hundred one".