11020110212221 has 8 divisors (see below), whose sum is σ = 12074898497184. Its totient is φ = 9974148607920.

The previous prime is 11020110212203. The next prime is 11020110212263. The reversal of 11020110212221 is 12221201102011.

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 11020110212221 - 2³¹ = 11017962728573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020110212195 and 11020110212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020110212821) 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, 2206667550 + ... + 2206672543.

It is an arithmetic number, because the mean of its divisors is an integer number (1509362312148).

Almost surely, 2^{11020110212221} is an apocalyptic number.

11020110212221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11020110212221 is a deficient number, since it is larger than the sum of its proper divisors (1054788284963).

11020110212221 is a wasteful number, since it uses less digits than its factorization.

11020110212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4413340331.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11020110212221 its reverse (12221201102011), we get a palindrome (23241311314232).

The spelling of 11020110212221 in words is "eleven trillion, twenty billion, one hundred ten million, two hundred twelve thousand, two hundred twenty-one".