111201211001 has 8 divisors (see below), whose sum is σ = 112564224000. Its totient is φ = 109840721760.

The previous prime is 111201210977. The next prime is 111201211027. The reversal of 111201211001 is 100112102111.

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 111201211001 - 2¹⁴ = 111201194617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111201211081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542201 + ... + 718598.

It is an arithmetic number, because the mean of its divisors is an integer number (14070528000).

Almost surely, 2^111201211001 is an apocalyptic number.

It is an amenable number.

111201211001 is a deficient number, since it is larger than the sum of its proper divisors (1363012999).

111201211001 is an equidigital number, since it uses as much as digits as its factorization.

111201211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261879.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111201211001 its reverse (100112102111), we get a palindrome (211313313112).

The spelling of 111201211001 in words is "one hundred eleven billion, two hundred one million, two hundred eleven thousand, one".