10221214055 has 16 divisors (see below), whose sum is σ = 13332410784. Its totient is φ = 7477426560.

The previous prime is 10221214021. The next prime is 10221214093. The reversal of 10221214055 is 55041212201.

It is not a de Polignac number, because 10221214055 - 2¹⁸ = 10220951911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10221214055.

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, 727856 + ... + 741765.

It is an arithmetic number, because the mean of its divisors is an integer number (833275674).

Almost surely, 2^10221214055 is an apocalyptic number.

10221214055 is a deficient number, since it is larger than the sum of its proper divisors (3111196729).

10221214055 is a wasteful number, since it uses less digits than its factorization.

10221214055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469746.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 10221214055 its reverse (55041212201), we get a palindrome (65262426256).

The spelling of 10221214055 in words is "ten billion, two hundred twenty-one million, two hundred fourteen thousand, fifty-five".