221012321014 has 8 divisors (see below), whose sum is σ = 331621800120. Its totient is φ = 110471720976.

The previous prime is 221012321011. The next prime is 221012321069. The reversal of 221012321014 is 410123210122.

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

It is a junction number, because it is equal to n+sod(n) for n = 221012320982 and 221012321000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221012321011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17211744 + ... + 17224579.

It is an arithmetic number, because the mean of its divisors is an integer number (41452725015).

Almost surely, 2^221012321014 is an apocalyptic number.

221012321014 is a deficient number, since it is larger than the sum of its proper divisors (110609479106).

221012321014 is a wasteful number, since it uses less digits than its factorization.

221012321014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34439534.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 221012321014 its reverse (410123210122), we get a palindrome (631135531136).

The spelling of 221012321014 in words is "two hundred twenty-one billion, twelve million, three hundred twenty-one thousand, fourteen".