221211011102 has 8 divisors (see below), whose sum is σ = 331913919456. Its totient is φ = 110573037952.

The previous prime is 221211011093. The next prime is 221211011107. The reversal of 221211011102 is 201110112122.

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

It is a super-2 number, since 2×221211011102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221211011107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16225283 + ... + 16238910.

It is an arithmetic number, because the mean of its divisors is an integer number (41489239932).

Almost surely, 2^221211011102 is an apocalyptic number.

221211011102 is a deficient number, since it is larger than the sum of its proper divisors (110702908354).

221211011102 is a wasteful number, since it uses less digits than its factorization.

221211011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32467602.

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

Adding to 221211011102 its reverse (201110112122), we get a palindrome (422321123224).

The spelling of 221211011102 in words is "two hundred twenty-one billion, two hundred eleven million, eleven thousand, one hundred two".