211121020101223 has 8 divisors (see below), whose sum is σ = 214700035017600. Its totient is φ = 207542028269688.

The previous prime is 211121020101203. The next prime is 211121020101259. The reversal of 211121020101223 is 322101020121112.

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 211121020101223 - 2⁵ = 211121020101191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211121020101223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211121020101203) 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, 13198788 + ... + 24422326.

It is an arithmetic number, because the mean of its divisors is an integer number (26837504377200).

Almost surely, 2^{211121020101223} is an apocalyptic number.

211121020101223 is a deficient number, since it is larger than the sum of its proper divisors (3579014916377).

211121020101223 is a wasteful number, since it uses less digits than its factorization.

211121020101223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11542421.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 211121020101223 its reverse (322101020121112), we get a palindrome (533222040222335).

The spelling of 211121020101223 in words is "two hundred eleven trillion, one hundred twenty-one billion, twenty million, one hundred one thousand, two hundred twenty-three".