211121344101 has 32 divisors (see below), whose sum is σ = 294193456128. Its totient is φ = 134537725440.

The previous prime is 211121344097. The next prime is 211121344103. The reversal of 211121344101 is 101443121112.

It is not a de Polignac number, because 211121344101 - 2² = 211121344097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211121344103) 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 31 ways as a sum of consecutive naturals, for example, 5784556 + ... + 5820938.

It is an arithmetic number, because the mean of its divisors is an integer number (9193545504).

Almost surely, 2^211121344101 is an apocalyptic number.

It is an amenable number.

211121344101 is a deficient number, since it is larger than the sum of its proper divisors (83072112027).

211121344101 is a wasteful number, since it uses less digits than its factorization.

211121344101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37341.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 211121344101 its reverse (101443121112), we get a palindrome (312564465213).

The spelling of 211121344101 in words is "two hundred eleven billion, one hundred twenty-one million, three hundred forty-four thousand, one hundred one".