211102221121 has 16 divisors (see below), whose sum is σ = 245116689408. Its totient is φ = 179676524800.

The previous prime is 211102221103. The next prime is 211102221131. The reversal of 211102221121 is 121122201112.

It is a cyclic number.

It is not a de Polignac number, because 211102221121 - 2¹⁷ = 211102090049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211102221095 and 211102221104.

It is not an unprimeable number, because it can be changed into a prime (211102221131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2919490 + ... + 2990923.

It is an arithmetic number, because the mean of its divisors is an integer number (15319793088).

Almost surely, 2^211102221121 is an apocalyptic number.

It is an amenable number.

211102221121 is a deficient number, since it is larger than the sum of its proper divisors (34014468287).

211102221121 is a wasteful number, since it uses less digits than its factorization.

211102221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5910632.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211102221121 its reverse (121122201112), we get a palindrome (332224422233).

The spelling of 211102221121 in words is "two hundred eleven billion, one hundred two million, two hundred twenty-one thousand, one hundred twenty-one".