212211121001 has 8 divisors (see below), whose sum is σ = 231818879424. Its totient is φ = 192656002320.

The previous prime is 212211120997. The next prime is 212211121033. The reversal of 212211121001 is 100121112212.

212211121001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212211121001 - 2² = 212211120997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212211121061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13151501 + ... + 13167626.

It is an arithmetic number, because the mean of its divisors is an integer number (28977359928).

Almost surely, 2^212211121001 is an apocalyptic number.

It is an amenable number.

212211121001 is a deficient number, since it is larger than the sum of its proper divisors (19607758423).

212211121001 is a wasteful number, since it uses less digits than its factorization.

212211121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26319871.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212211121001 its reverse (100121112212), we get a palindrome (312332233213).

The spelling of 212211121001 in words is "two hundred twelve billion, two hundred eleven million, one hundred twenty-one thousand, one".