221421312114 has 8 divisors (see below), whose sum is σ = 442842624240. Its totient is φ = 73807104036.

The previous prime is 221421312089. The next prime is 221421312127. The reversal of 221421312114 is 411213124122.

It is a sphenic number, since it is the product of 3 distinct primes.

221421312114 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18451776004 + ... + 18451776015.

It is an arithmetic number, because the mean of its divisors is an integer number (55355328030).

Almost surely, 2^221421312114 is an apocalyptic number.

221421312114 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

221421312114 is a wasteful number, since it uses less digits than its factorization.

221421312114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36903552024.

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

Adding to 221421312114 its reverse (411213124122), we get a palindrome (632634436236).

The spelling of 221421312114 in words is "two hundred twenty-one billion, four hundred twenty-one million, three hundred twelve thousand, one hundred fourteen".