221102110020110 has 32 divisors (see below), whose sum is σ = 434180104654464. Its totient is φ = 80397811476000.

The previous prime is 221102110020059. The next prime is 221102110020119. The reversal of 221102110020110 is 11020011201122.

It is a super-2 number, since 2×221102110020110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221102110020119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33940736 + ... + 39927155.

It is an arithmetic number, because the mean of its divisors is an integer number (13568128270452).

Almost surely, 2^{221102110020110} is an apocalyptic number.

221102110020110 is a deficient number, since it is larger than the sum of its proper divisors (213077994634354).

221102110020110 is a wasteful number, since it uses less digits than its factorization.

221102110020110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73895120.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 221102110020110 its reverse (11020011201122), we get a palindrome (232122121221232).

The spelling of 221102110020110 in words is "two hundred twenty-one trillion, one hundred two billion, one hundred ten million, twenty thousand, one hundred ten".