221120100011 has 8 divisors (see below), whose sum is σ = 226568706000. Its totient is φ = 215674133760.

The previous prime is 221120099999. The next prime is 221120100031. The reversal of 221120100011 is 110001021122.

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 221120100011 - 2¹⁸ = 221119837867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221120099965 and 221120100001.

It is not an unprimeable number, because it can be changed into a prime (221120100031) 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, 489806 + ... + 825923.

It is an arithmetic number, because the mean of its divisors is an integer number (28321088250).

Almost surely, 2^221120100011 is an apocalyptic number.

221120100011 is a deficient number, since it is larger than the sum of its proper divisors (5448605989).

221120100011 is a wasteful number, since it uses less digits than its factorization.

221120100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319869.

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

Adding to 221120100011 its reverse (110001021122), we get a palindrome (331121121133).

The spelling of 221120100011 in words is "two hundred twenty-one billion, one hundred twenty million, one hundred thousand, eleven".