212211102121 has 8 divisors (see below), whose sum is σ = 214341876288. Its totient is φ = 210080910000.

The previous prime is 212211102109. The next prime is 212211102167. The reversal of 212211102121 is 121201112212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212211102121 - 2¹⁹ = 212210577833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212211102095 and 212211102104.

It is not an unprimeable number, because it can be changed into a prime (212211102101) 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 7 ways as a sum of consecutive naturals, for example, 606756 + ... + 890266.

It is an arithmetic number, because the mean of its divisors is an integer number (26792734536).

Almost surely, 2^212211102121 is an apocalyptic number.

It is an amenable number.

212211102121 is a deficient number, since it is larger than the sum of its proper divisors (2130774167).

212211102121 is a wasteful number, since it uses less digits than its factorization.

212211102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291023.

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

Adding to 212211102121 its reverse (121201112212), we get a palindrome (333412214333).

The spelling of 212211102121 in words is "two hundred twelve billion, two hundred eleven million, one hundred two thousand, one hundred twenty-one".