21221011122014 has 8 divisors (see below), whose sum is σ = 34725290926968. Its totient is φ = 9645914146360.

The previous prime is 21221011121993. The next prime is 21221011122019. The reversal of 21221011122014 is 41022111012212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21221011122019) 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, 482295707297 + ... + 482295707340.

It is an arithmetic number, because the mean of its divisors is an integer number (4340661365871).

Almost surely, 2^{21221011122014} is an apocalyptic number.

21221011122014 is a deficient number, since it is larger than the sum of its proper divisors (13504279804954).

21221011122014 is a wasteful number, since it uses less digits than its factorization.

21221011122014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964591414650.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 21221011122014 its reverse (41022111012212), we get a palindrome (62243122134226).

The spelling of 21221011122014 in words is "twenty-one trillion, two hundred twenty-one billion, eleven million, one hundred twenty-two thousand, fourteen".