11021222111101 has 8 divisors (see below), whose sum is σ = 11131213375800. Its totient is φ = 10911247910400.

The previous prime is 11021222111047. The next prime is 11021222111129. The reversal of 11021222111101 is 10111122212011.

It can be written as a sum of positive squares in 4 ways, for example, as 3898867448025 + 7122354663076 = 1974555^2 + 2668774^2 .

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 11021222111101 - 2⁹ = 11021222110589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021222111201) 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, 2965836 + ... + 5553253.

It is an arithmetic number, because the mean of its divisors is an integer number (1391401671975).

Almost surely, 2^{11021222111101} is an apocalyptic number.

It is an amenable number.

11021222111101 is a deficient number, since it is larger than the sum of its proper divisors (109991264699).

11021222111101 is a wasteful number, since it uses less digits than its factorization.

11021222111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8531999.

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

Adding to 11021222111101 its reverse (10111122212011), we get a palindrome (21132344323112).

The spelling of 11021222111101 in words is "eleven trillion, twenty-one billion, two hundred twenty-two million, one hundred eleven thousand, one hundred one".