221110211201122 has 16 divisors (see below), whose sum is σ = 343711469413440. Its totient is φ = 106553264008912.

The previous prime is 221110211201101. The next prime is 221110211201123. The reversal of 221110211201122 is 221102112011122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 221110211201122.

It is not an unprimeable number, because it can be changed into a prime (221110211201123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3385620118 + ... + 3385685425.

It is an arithmetic number, because the mean of its divisors is an integer number (21481966838340).

Almost surely, 2^{221110211201122} is an apocalyptic number.

221110211201122 is a deficient number, since it is larger than the sum of its proper divisors (122601258212318).

221110211201122 is a wasteful number, since it uses less digits than its factorization.

221110211201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6771306137.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 221110211201122 its reverse (221102112011122), we get a palindrome (442212323212244).

The spelling of 221110211201122 in words is "two hundred twenty-one trillion, one hundred ten billion, two hundred eleven million, two hundred one thousand, one hundred twenty-two".