211221122013323 has 8 divisors (see below), whose sum is σ = 211693394263680. Its totient is φ = 210748980220480.

The previous prime is 211221122013283. The next prime is 211221122013359. The reversal of 211221122013323 is 323310221122112.

211221122013323 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 211221122013323 - 2²⁰ = 211221120964747 is a prime.

It is a super-2 number, since 2×211221122013323² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211221122013292 and 211221122013301.

It is not an unprimeable number, because it can be changed into a prime (211221122013823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29372240 + ... + 35849277.

It is an arithmetic number, because the mean of its divisors is an integer number (26461674282960).

Almost surely, 2^{211221122013323} is an apocalyptic number.

211221122013323 is a deficient number, since it is larger than the sum of its proper divisors (472272250357).

211221122013323 is an equidigital number, since it uses as much as digits as its factorization.

211221122013323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65228757.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 211221122013323 its reverse (323310221122112), we get a palindrome (534531343135435).

The spelling of 211221122013323 in words is "two hundred eleven trillion, two hundred twenty-one billion, one hundred twenty-two million, thirteen thousand, three hundred twenty-three".