221124214311 has 64 divisors (see below), whose sum is σ = 403328056320. Its totient is φ = 104032880640.

The previous prime is 221124214253. The next prime is 221124214343. The reversal of 221124214311 is 113412421122.

It is not a de Polignac number, because 221124214311 - 2⁶ = 221124214247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221124214211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 535506 + ... + 853823.

It is an arithmetic number, because the mean of its divisors is an integer number (6302000880).

Almost surely, 2^221124214311 is an apocalyptic number.

221124214311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

221124214311 is a deficient number, since it is larger than the sum of its proper divisors (182203842009).

221124214311 is a wasteful number, since it uses less digits than its factorization.

221124214311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389416.

The product of its digits is 768, while the sum is 24.

Adding to 221124214311 its reverse (113412421122), we get a palindrome (334536635433).

The spelling of 221124214311 in words is "two hundred twenty-one billion, one hundred twenty-four million, two hundred fourteen thousand, three hundred eleven".