111412201 has 4 divisors (see below), whose sum is σ = 113514372. Its totient is φ = 109310032.

The previous prime is 111412193. The next prime is 111412241. The reversal of 111412201 is 102214111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50197225 + 61214976 = 7085^2 + 7824^2 .

It is a cyclic number.

It is not a de Polignac number, because 111412201 - 2³ = 111412193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111412241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051006 + ... + 1051111.

It is an arithmetic number, because the mean of its divisors is an integer number (28378593).

Almost surely, 2^111412201 is an apocalyptic number.

It is an amenable number.

111412201 is a deficient number, since it is larger than the sum of its proper divisors (2102171).

111412201 is an equidigital number, since it uses as much as digits as its factorization.

111412201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102170.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 111412201 is about 10555.1978190842. The cubic root of 111412201 is about 481.1837118795.

Adding to 111412201 its reverse (102214111), we get a palindrome (213626312).

The spelling of 111412201 in words is "one hundred eleven million, four hundred twelve thousand, two hundred one".