11010112021221 has 8 divisors (see below), whose sum is σ = 14691809532960. Its totient is φ = 7334244595152.

The previous prime is 11010112021217. The next prime is 11010112021291. The reversal of 11010112021221 is 12212021101011.

It is a happy number.

11010112021221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11010112021221 - 2² = 11010112021217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11010112021221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010112021291) 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, 1457517010 + ... + 1457524563.

It is an arithmetic number, because the mean of its divisors is an integer number (1836476191620).

Almost surely, 2^{11010112021221} is an apocalyptic number.

It is an amenable number.

11010112021221 is a deficient number, since it is larger than the sum of its proper divisors (3681697511739).

11010112021221 is a wasteful number, since it uses less digits than its factorization.

11010112021221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2915042835.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11010112021221 its reverse (12212021101011), we get a palindrome (23222133122232).

The spelling of 11010112021221 in words is "eleven trillion, ten billion, one hundred twelve million, twenty-one thousand, two hundred twenty-one".