211222120101 has 8 divisors (see below), whose sum is σ = 281632850880. Its totient is φ = 140813068032.

The previous prime is 211222120099. The next prime is 211222120139. The reversal of 211222120101 is 101021222112.

211222120101 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 not a de Polignac number, because 211222120101 - 2¹ = 211222120099 is a prime.

It is a super-3 number, since 3×211222120101³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211222120171) 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, 88825 + ... + 655998.

It is an arithmetic number, because the mean of its divisors is an integer number (35204106360).

Almost surely, 2^211222120101 is an apocalyptic number.

It is an amenable number.

211222120101 is a deficient number, since it is larger than the sum of its proper divisors (70410730779).

211222120101 is an equidigital number, since it uses as much as digits as its factorization.

211222120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839355.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211222120101 its reverse (101021222112), we get a palindrome (312243342213).

The spelling of 211222120101 in words is "two hundred eleven billion, two hundred twenty-two million, one hundred twenty thousand, one hundred one".