11021210102221 has 8 divisors (see below), whose sum is σ = 12027663405504. Its totient is φ = 10015510984320.

The previous prime is 11021210102173. The next prime is 11021210102239. The reversal of 11021210102221 is 12220101212011.

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 11021210102221 - 2⁷ = 11021210102093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11021210102195 and 11021210102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021210102821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188515785 + ... + 188574238.

It is an arithmetic number, because the mean of its divisors is an integer number (1503457925688).

Almost surely, 2^{11021210102221} is an apocalyptic number.

11021210102221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11021210102221 is a deficient number, since it is larger than the sum of its proper divisors (1006453303283).

11021210102221 is a wasteful number, since it uses less digits than its factorization.

11021210102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377092691.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11021210102221 its reverse (12220101212011), we get a palindrome (23241311314232).

The spelling of 11021210102221 in words is "eleven trillion, twenty-one billion, two hundred ten million, one hundred two thousand, two hundred twenty-one".