221122201102 has 16 divisors (see below), whose sum is σ = 361854791424. Its totient is φ = 100504963000.

The previous prime is 221122201093. The next prime is 221122201121. The reversal of 221122201102 is 201102221122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202827 + ... + 695257.

It is an arithmetic number, because the mean of its divisors is an integer number (22615924464).

Almost surely, 2^221122201102 is an apocalyptic number.

221122201102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221122201102 is a deficient number, since it is larger than the sum of its proper divisors (140732590322).

221122201102 is a wasteful number, since it uses less digits than its factorization.

221122201102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512855.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221122201102 its reverse (201102221122), we get a palindrome (422224422224).

It can be divided in two parts, 221122 and 201102, that added together give a palindrome (422224).

The spelling of 221122201102 in words is "two hundred twenty-one billion, one hundred twenty-two million, two hundred one thousand, one hundred two".