111021122221201 has 8 divisors (see below), whose sum is σ = 113135273057664. Its totient is φ = 108907690373040.

The previous prime is 111021122221073. The next prime is 111021122221211. The reversal of 111021122221201 is 102122221120111.

It is a happy number.

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 111021122221201 - 2⁷ = 111021122221073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111021122221211) 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, 179435305 + ... + 180052966.

It is an arithmetic number, because the mean of its divisors is an integer number (14141909132208).

Almost surely, 2^{111021122221201} is an apocalyptic number.

It is an amenable number.

111021122221201 is a deficient number, since it is larger than the sum of its proper divisors (2114150836463).

111021122221201 is an equidigital number, since it uses as much as digits as its factorization.

111021122221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359494151.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111021122221201 its reverse (102122221120111), we get a palindrome (213143343341312).

The spelling of 111021122221201 in words is "one hundred eleven trillion, twenty-one billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred one".