110102221011221 has 8 divisors (see below), whose sum is σ = 111122289768600. Its totient is φ = 109082333283840.

The previous prime is 110102221011203. The next prime is 110102221011241. The reversal of 110102221011221 is 122110122201011.

It can be written as a sum of positive squares in 4 ways, for example, as 21422595687025 + 88679625324196 = 4628455^2 + 9416986^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 110102221011221 - 2³⁰ = 110101147269397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110102221011221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110102221011241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44035316 + ... + 46468413.

It is an arithmetic number, because the mean of its divisors is an integer number (13890286221075).

Almost surely, 2^{110102221011221} is an apocalyptic number.

It is an amenable number.

110102221011221 is a deficient number, since it is larger than the sum of its proper divisors (1020068757379).

110102221011221 is a wasteful number, since it uses less digits than its factorization.

110102221011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90514999.

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

Adding to 110102221011221 its reverse (122110122201011), we get a palindrome (232212343212232).

The spelling of 110102221011221 in words is "one hundred ten trillion, one hundred two billion, two hundred twenty-one million, eleven thousand, two hundred twenty-one".