111201202222101 has 40 divisors (see below), whose sum is σ = 166197145689344. Its totient is φ = 74097651821760.

The previous prime is 111201202222093. The next prime is 111201202222109. The reversal of 111201202222101 is 101222202102111.

111201202222101 is a `hidden beast` number, since 1 + 11 + 201 + 20 + 222 + 210 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (111201202222093) and next prime (111201202222109).

It is not a de Polignac number, because 111201202222101 - 2³ = 111201202222093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111201202222109) 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 39 ways as a sum of consecutive naturals, for example, 1452869505 + ... + 1452946041.

Almost surely, 2^{111201202222101} is an apocalyptic number.

It is an amenable number.

111201202222101 is a deficient number, since it is larger than the sum of its proper divisors (54995943467243).

111201202222101 is an equidigital number, since it uses as much as digits as its factorization.

111201202222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85143 (or 85134 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111201202222101 its reverse (101222202102111), we get a palindrome (212423404324212).

The spelling of 111201202222101 in words is "one hundred eleven trillion, two hundred one billion, two hundred two million, two hundred twenty-two thousand, one hundred one".