221010101012222 has 16 divisors (see below), whose sum is σ = 332474951608800. Its totient is φ = 110185136000352.

The previous prime is 221010101012219. The next prime is 221010101012251. The reversal of 221010101012222 is 222210101010122.

It is a self number, because there is not a number n which added to its sum of digits gives 221010101012222.

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, 18827288 + ... + 28222100.

It is an arithmetic number, because the mean of its divisors is an integer number (20779684475550).

Almost surely, 2^{221010101012222} is an apocalyptic number.

221010101012222 is a deficient number, since it is larger than the sum of its proper divisors (111464850596578).

221010101012222 is a wasteful number, since it uses less digits than its factorization.

221010101012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9428867.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221010101012222 its reverse (222210101010122), we get a palindrome (443220202022344).

It can be divided in two parts, 2210101010122 and 22, that multiplied together give a palindrome (48622222222684).

The spelling of 221010101012222 in words is "two hundred twenty-one trillion, ten billion, one hundred one million, twelve thousand, two hundred twenty-two".