211122202002101 has 20 divisors (see below), whose sum is σ = 236093010370944. Its totient is φ = 188595514645200.

The previous prime is 211122202002097. The next prime is 211122202002139. The reversal of 211122202002101 is 101200202221112.

It is not a de Polignac number, because 211122202002101 - 2² = 211122202002097 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 211122202002101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211122202002001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 118340015 + ... + 120110796.

Almost surely, 2^{211122202002101} is an apocalyptic number.

It is an amenable number.

211122202002101 is a deficient number, since it is larger than the sum of its proper divisors (24970808368843).

211122202002101 is an frugal number, since it uses more digits than its factorization.

211122202002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238450894 (or 238450855 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211122202002101 its reverse (101200202221112), we get a palindrome (312322404223213).

The spelling of 211122202002101 in words is "two hundred eleven trillion, one hundred twenty-two billion, two hundred two million, two thousand, one hundred one".