220100222003122 has 4 divisors (see below), whose sum is σ = 330150333004686. Its totient is φ = 110050111001560.

The previous prime is 220100222003111. The next prime is 220100222003147. The reversal of 220100222003122 is 221300222001022.

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., 188271905730841 + 31828316272281 = 13721221^2 + 5641659^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220100222003122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55025055500779 + ... + 55025055500782.

Almost surely, 2^{220100222003122} is an apocalyptic number.

220100222003122 is a deficient number, since it is larger than the sum of its proper divisors (110050111001564).

220100222003122 is a wasteful number, since it uses less digits than its factorization.

220100222003122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110050111001563.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 220100222003122 its reverse (221300222001022), we get a palindrome (441400444004144).

The spelling of 220100222003122 in words is "two hundred twenty trillion, one hundred billion, two hundred twenty-two million, three thousand, one hundred twenty-two".