221102220101122 has 16 divisors (see below), whose sum is σ = 332293838367744. Its totient is φ = 110337809400000.

The previous prime is 221102220101089. The next prime is 221102220101123. The reversal of 221102220101122 is 221101022201122.

It is a self number, because there is not a number n which added to its sum of digits gives 221102220101122.

It is not an unprimeable number, because it can be changed into a prime (221102220101123) 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, 48332754 + ... + 52709197.

It is an arithmetic number, because the mean of its divisors is an integer number (20768364897984).

Almost surely, 2^{221102220101122} is an apocalyptic number.

221102220101122 is a deficient number, since it is larger than the sum of its proper divisors (111191618266622).

221102220101122 is a wasteful number, since it uses less digits than its factorization.

221102220101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101044065.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 221102220101122 its reverse (221101022201122), we get a palindrome (442203242302244).

The spelling of 221102220101122 in words is "two hundred twenty-one trillion, one hundred two billion, two hundred twenty million, one hundred one thousand, one hundred twenty-two".