214210221121 has 16 divisors (see below), whose sum is σ = 238717281600. Its totient is φ = 190854474048.

The previous prime is 214210221119. The next prime is 214210221133. The reversal of 214210221121 is 121122012412.

It is a cyclic number.

It is not a de Polignac number, because 214210221121 - 2¹ = 214210221119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214210221221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1141470 + ... + 1315816.

It is an arithmetic number, because the mean of its divisors is an integer number (14919830100).

Almost surely, 2^214210221121 is an apocalyptic number.

It is an amenable number.

214210221121 is a deficient number, since it is larger than the sum of its proper divisors (24507060479).

214210221121 is a wasteful number, since it uses less digits than its factorization.

214210221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177648.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 214210221121 its reverse (121122012412), we get a palindrome (335332233533).

The spelling of 214210221121 in words is "two hundred fourteen billion, two hundred ten million, two hundred twenty-one thousand, one hundred twenty-one".