221102111110 has 8 divisors (see below), whose sum is σ = 397983800016. Its totient is φ = 88440844440.

The previous prime is 221102111101. The next prime is 221102111137. The reversal of 221102111110 is 11111201122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×221102111110² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11055105546 + ... + 11055105565.

It is an arithmetic number, because the mean of its divisors is an integer number (49747975002).

Almost surely, 2^221102111110 is an apocalyptic number.

221102111110 is a deficient number, since it is larger than the sum of its proper divisors (176881688906).

221102111110 is a wasteful number, since it uses less digits than its factorization.

221102111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22110211118.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 221102111110 its reverse (11111201122), we get a palindrome (232213312232).

The spelling of 221102111110 in words is "two hundred twenty-one billion, one hundred two million, one hundred eleven thousand, one hundred ten".