111122221201201 has 8 divisors (see below), whose sum is σ = 127541874979584. Its totient is φ = 94838830110240.

The previous prime is 111122221201171. The next prime is 111122221201207. The reversal of 111122221201201 is 102102122221111.

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 111122221201201 - 2⁷ = 111122221201073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111122221201207) 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, 34065670105 + ... + 34065673366.

It is an arithmetic number, because the mean of its divisors is an integer number (15942734372448).

Almost surely, 2^{111122221201201} is an apocalyptic number.

It is an amenable number.

111122221201201 is a deficient number, since it is larger than the sum of its proper divisors (16419653778383).

111122221201201 is an equidigital number, since it uses as much as digits as its factorization.

111122221201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68131343711.

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

Adding to 111122221201201 its reverse (102102122221111), we get a palindrome (213224343422312).

The spelling of 111122221201201 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred one thousand, two hundred one".