111021212201 has 8 divisors (see below), whose sum is σ = 111233214624. Its totient is φ = 110809278720.

The previous prime is 111021212189. The next prime is 111021212207. The reversal of 111021212201 is 102212120111.

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 111021212201 - 2²² = 111017017897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111021212207) 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, 4147406 + ... + 4174088.

It is an arithmetic number, because the mean of its divisors is an integer number (13904151828).

Almost surely, 2^111021212201 is an apocalyptic number.

It is an amenable number.

111021212201 is a deficient number, since it is larger than the sum of its proper divisors (212002423).

111021212201 is an equidigital number, since it uses as much as digits as its factorization.

111021212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34471.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111021212201 its reverse (102212120111), we get a palindrome (213233332312).

The spelling of 111021212201 in words is "one hundred eleven billion, twenty-one million, two hundred twelve thousand, two hundred one".