221163305214 has 32 divisors (see below), whose sum is σ = 449421797664. Its totient is φ = 72543237120.

The previous prime is 221163305161. The next prime is 221163305243. The reversal of 221163305214 is 412503361122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393417 + ... + 772724.

It is an arithmetic number, because the mean of its divisors is an integer number (14044431177).

Almost surely, 2^221163305214 is an apocalyptic number.

221163305214 is an abundant number, since it is smaller than the sum of its proper divisors (228258492450).

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

221163305214 is a wasteful number, since it uses less digits than its factorization.

221163305214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166652.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 221163305214 its reverse (412503361122), we get a palindrome (633666666336).

The spelling of 221163305214 in words is "two hundred twenty-one billion, one hundred sixty-three million, three hundred five thousand, two hundred fourteen".