222101100221102 has 4 divisors (see below), whose sum is σ = 333151650331656. Its totient is φ = 111050550110550.

The previous prime is 222101100221089. The next prime is 222101100221123. The reversal of 222101100221102 is 201122001101222.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55525275055274 + ... + 55525275055277.

It is an arithmetic number, because the mean of its divisors is an integer number (83287912582914).

Almost surely, 2^{222101100221102} is an apocalyptic number.

222101100221102 is a deficient number, since it is larger than the sum of its proper divisors (111050550110554).

222101100221102 is a wasteful number, since it uses less digits than its factorization.

222101100221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111050550110553.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222101100221102 its reverse (201122001101222), we get a palindrome (423223101322324).

The spelling of 222101100221102 in words is "two hundred twenty-two trillion, one hundred one billion, one hundred million, two hundred twenty-one thousand, one hundred two".