111201001221201 has 8 divisors (see below), whose sum is σ = 156989648782944. Its totient is φ = 69773177236800.

The previous prime is 111201001221151. The next prime is 111201001221259. The reversal of 111201001221201 is 102122100102111.

It is a happy number.

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

It is not a de Polignac number, because 111201001221201 - 2⁷ = 111201001221073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111201001221301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1090205894275 + ... + 1090205894376.

It is an arithmetic number, because the mean of its divisors is an integer number (19623706097868).

Almost surely, 2^{111201001221201} is an apocalyptic number.

It is an amenable number.

111201001221201 is a deficient number, since it is larger than the sum of its proper divisors (45788647561743).

111201001221201 is a wasteful number, since it uses less digits than its factorization.

111201001221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180411788671.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111201001221201 its reverse (102122100102111), we get a palindrome (213323101323312).

The spelling of 111201001221201 in words is "one hundred eleven trillion, two hundred one billion, one million, two hundred twenty-one thousand, two hundred one".