221120010106 has 16 divisors (see below), whose sum is σ = 351220907520. Its totient is φ = 104047496640.

The previous prime is 221120010053. The next prime is 221120010113. The reversal of 221120010106 is 601010021122.

It is a self number, because there is not a number n which added to its sum of digits gives 221120010106.

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, 127861 + ... + 677191.

It is an arithmetic number, because the mean of its divisors is an integer number (21951306720).

Almost surely, 2^221120010106 is an apocalyptic number.

221120010106 is a deficient number, since it is larger than the sum of its proper divisors (130100897414).

221120010106 is a wasteful number, since it uses less digits than its factorization.

221120010106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561189.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 221120010106 its reverse (601010021122), we get a palindrome (822130031228).

The spelling of 221120010106 in words is "two hundred twenty-one billion, one hundred twenty million, ten thousand, one hundred six".