221122403105 has 32 divisors (see below), whose sum is σ = 275308533504. Its totient is φ = 170357596416.

The previous prime is 221122403071. The next prime is 221122403129. The reversal of 221122403105 is 501304221122.

It is a cyclic number.

It is not a de Polignac number, because 221122403105 - 2⁸ = 221122402849 is a prime.

It is a super-2 number, since 2×221122403105² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25788599 + ... + 25797171.

It is an arithmetic number, because the mean of its divisors is an integer number (8603391672).

Almost surely, 2^221122403105 is an apocalyptic number.

It is an amenable number.

221122403105 is a deficient number, since it is larger than the sum of its proper divisors (54186130399).

221122403105 is a wasteful number, since it uses less digits than its factorization.

221122403105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10025.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 221122403105 its reverse (501304221122), we get a palindrome (722426624227).

The spelling of 221122403105 in words is "two hundred twenty-one billion, one hundred twenty-two million, four hundred three thousand, one hundred five".