221320041122 has 4 divisors (see below), whose sum is σ = 331980061686. Its totient is φ = 110660020560.

The previous prime is 221320041097. The next prime is 221320041127. The reversal of 221320041122 is 221140023122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 202301148841 + 19018892281 = 449779^2 + 137909^2 .

It is a junction number, because it is equal to n+sod(n) for n = 221320041094 and 221320041103.

It is not an unprimeable number, because it can be changed into a prime (221320041127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55330010279 + ... + 55330010282.

Almost surely, 2^221320041122 is an apocalyptic number.

221320041122 is a deficient number, since it is larger than the sum of its proper divisors (110660020564).

221320041122 is a wasteful number, since it uses less digits than its factorization.

221320041122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110660020563.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 221320041122 its reverse (221140023122), we get a palindrome (442460064244).

The spelling of 221320041122 in words is "two hundred twenty-one billion, three hundred twenty million, forty-one thousand, one hundred twenty-two".