22111221011102 has 8 divisors (see below), whose sum is σ = 33539492545200. Its totient is φ = 10931390162704.

The previous prime is 22111221011093. The next prime is 22111221011171. The reversal of 22111221011102 is 20111012211122.

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

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, 62110171202 + ... + 62110171557.

It is an arithmetic number, because the mean of its divisors is an integer number (4192436568150).

Almost surely, 2^{22111221011102} is an apocalyptic number.

22111221011102 is a deficient number, since it is larger than the sum of its proper divisors (11428271534098).

22111221011102 is a wasteful number, since it uses less digits than its factorization.

22111221011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124220342850.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22111221011102 its reverse (20111012211122), we get a palindrome (42222233222224).

The spelling of 22111221011102 in words is "twenty-two trillion, one hundred eleven billion, two hundred twenty-one million, eleven thousand, one hundred two".