111201662201 has 8 divisors (see below), whose sum is σ = 127159146240. Its totient is φ = 95262061248.

The previous prime is 111201662189. The next prime is 111201662213. The reversal of 111201662201 is 102266102111.

It is an interprime number because it is at equal distance from previous prime (111201662189) and next prime (111201662213).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111201662201 - 2²² = 111197467897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111201682201) by changing a digit.

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, 4457441 + ... + 4482318.

It is an arithmetic number, because the mean of its divisors is an integer number (15894893280).

Almost surely, 2^111201662201 is an apocalyptic number.

It is an amenable number.

111201662201 is a deficient number, since it is larger than the sum of its proper divisors (15957484039).

111201662201 is an equidigital number, since it uses as much as digits as its factorization.

111201662201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8941543.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 111201662201 its reverse (102266102111), we get a palindrome (213467764312).

The spelling of 111201662201 in words is "one hundred eleven billion, two hundred one million, six hundred sixty-two thousand, two hundred one".