214221311504 has 40 divisors (see below), whose sum is σ = 429840226560. Its totient is φ = 103302960768.

The previous prime is 214221311503. The next prime is 214221311539. The reversal of 214221311504 is 405113122412.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (214221311501) 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, 166337 + ... + 675359.

It is an arithmetic number, because the mean of its divisors is an integer number (10746005664).

Almost surely, 2^214221311504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214221311504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214920113280).

214221311504 is an abundant number, since it is smaller than the sum of its proper divisors (215618915056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214221311504 is a wasteful number, since it uses less digits than its factorization.

214221311504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509967 (or 509961 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 214221311504 its reverse (405113122412), we get a palindrome (619334433916).

The spelling of 214221311504 in words is "two hundred fourteen billion, two hundred twenty-one million, three hundred eleven thousand, five hundred four".