111011221202201 has 4 divisors (see below), whose sum is σ = 111111866009472. Its totient is φ = 110910576394932.

The previous prime is 111011221202159. The next prime is 111011221202207. The reversal of 111011221202201 is 102202122110111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111011221202201 - 2⁶ = 111011221202137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111011221202201.

It is not an unprimeable number, because it can be changed into a prime (111011221202207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50322401981 + ... + 50322404186.

It is an arithmetic number, because the mean of its divisors is an integer number (27777966502368).

Almost surely, 2^{111011221202201} is an apocalyptic number.

It is an amenable number.

111011221202201 is a deficient number, since it is larger than the sum of its proper divisors (100644807271).

111011221202201 is a wasteful number, since it uses less digits than its factorization.

111011221202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100644807270.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111011221202201 its reverse (102202122110111), we get a palindrome (213213343312312).

The spelling of 111011221202201 in words is "one hundred eleven trillion, eleven billion, two hundred twenty-one million, two hundred two thousand, two hundred one".