11030101221 has 16 divisors (see below), whose sum is σ = 14919529536. Its totient is φ = 7247189376.

The previous prime is 11030101207. The next prime is 11030101267. The reversal of 11030101221 is 12210103011.

It is not a de Polignac number, because 11030101221 - 2⁶ = 11030101157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11030101197 and 11030101206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030181221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282346 + ... + 319028.

It is an arithmetic number, because the mean of its divisors is an integer number (932470596).

Almost surely, 2^11030101221 is an apocalyptic number.

It is an amenable number.

11030101221 is a deficient number, since it is larger than the sum of its proper divisors (3889428315).

11030101221 is a wasteful number, since it uses less digits than its factorization.

11030101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38132.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11030101221 its reverse (12210103011), we get a palindrome (23240204232).

The spelling of 11030101221 in words is "eleven billion, thirty million, one hundred one thousand, two hundred twenty-one".