101001111222201 has 4 divisors (see below), whose sum is σ = 134668148296272. Its totient is φ = 67334074148132.

The previous prime is 101001111222199. The next prime is 101001111222241. The reversal of 101001111222201 is 102222111100101.

It is a happy number.

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 101001111222201 - 2¹ = 101001111222199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101001111222241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16833518537031 + ... + 16833518537036.

It is an arithmetic number, because the mean of its divisors is an integer number (33667037074068).

Almost surely, 2^{101001111222201} is an apocalyptic number.

It is an amenable number.

101001111222201 is a deficient number, since it is larger than the sum of its proper divisors (33667037074071).

101001111222201 is an equidigital number, since it uses as much as digits as its factorization.

101001111222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33667037074070.

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

Adding to 101001111222201 its reverse (102222111100101), we get a palindrome (203223222322302).

The spelling of 101001111222201 in words is "one hundred one trillion, one billion, one hundred eleven million, two hundred twenty-two thousand, two hundred one".