213221031214 has 16 divisors (see below), whose sum is σ = 335735705088. Its totient is φ = 101364641752.

The previous prime is 213221031173. The next prime is 213221031227. The reversal of 213221031214 is 412130122312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13870282 + ... + 13885645.

It is an arithmetic number, because the mean of its divisors is an integer number (20983481568).

Almost surely, 2^213221031214 is an apocalyptic number.

213221031214 is a deficient number, since it is larger than the sum of its proper divisors (122514673874).

213221031214 is a wasteful number, since it uses less digits than its factorization.

213221031214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27756119.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 213221031214 its reverse (412130122312), we get a palindrome (625351153526).

The spelling of 213221031214 in words is "two hundred thirteen billion, two hundred twenty-one million, thirty-one thousand, two hundred fourteen".