221102121100011 has 8 divisors (see below), whose sum is σ = 302770472137104. Its totient is φ = 143417592064800.

The previous prime is 221102121100009. The next prime is 221102121100043. The reversal of 221102121100011 is 110001121201122.

It is a happy number.

221102121100011 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 221102121100011 - 2¹ = 221102121100009 is a prime.

It is a super-2 number, since 2×221102121100011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221102121100051) 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, 995955500340 + ... + 995955500561.

It is an arithmetic number, because the mean of its divisors is an integer number (37846309017138).

Almost surely, 2^{221102121100011} is an apocalyptic number.

221102121100011 is a deficient number, since it is larger than the sum of its proper divisors (81668351037093).

221102121100011 is a wasteful number, since it uses less digits than its factorization.

221102121100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991911000941.

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

Adding to 221102121100011 its reverse (110001121201122), we get a palindrome (331103242301133).

The spelling of 221102121100011 in words is "two hundred twenty-one trillion, one hundred two billion, one hundred twenty-one million, one hundred thousand, eleven".