214021541321 has 64 divisors (see below), whose sum is σ = 266005555200. Its totient is φ = 168328613376.

The previous prime is 214021541303. The next prime is 214021541353. The reversal of 214021541321 is 123145120412.

It is a happy number.

It is not a de Polignac number, because 214021541321 - 2⁶ = 214021541257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214021541381) 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, 48539765 + ... + 48544173.

It is an arithmetic number, because the mean of its divisors is an integer number (4156336800).

Almost surely, 2^214021541321 is an apocalyptic number.

It is an amenable number.

214021541321 is a deficient number, since it is larger than the sum of its proper divisors (51984013879).

214021541321 is a wasteful number, since it uses less digits than its factorization.

214021541321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4638.

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

Adding to 214021541321 its reverse (123145120412), we get a palindrome (337166661733).

The spelling of 214021541321 in words is "two hundred fourteen billion, twenty-one million, five hundred forty-one thousand, three hundred twenty-one".