221102100011 has 8 divisors (see below), whose sum is σ = 252116421984. Its totient is φ = 192088702080.

The previous prime is 221102100007. The next prime is 221102100013. The reversal of 221102100011 is 110001201122.

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 221102100011 - 2² = 221102100007 is a prime.

It is a super-2 number, since 2×221102100011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221102099965 and 221102100001.

It is not an unprimeable number, because it can be changed into a prime (221102100013) 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, 500230775 + ... + 500231216.

It is an arithmetic number, because the mean of its divisors is an integer number (31514552748).

Almost surely, 2^221102100011 is an apocalyptic number.

221102100011 is a deficient number, since it is larger than the sum of its proper divisors (31014321973).

221102100011 is a wasteful number, since it uses less digits than its factorization.

221102100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000462021.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 221102100011 its reverse (110001201122), we get a palindrome (331103301133).

The spelling of 221102100011 in words is "two hundred twenty-one billion, one hundred two million, one hundred thousand, eleven".