11220212110021 has 8 divisors (see below), whose sum is σ = 11400055776000. Its totient is φ = 11041563419040.

The previous prime is 11220212109991. The next prime is 11220212110033. The reversal of 11220212110021 is 12001121202211.

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 11220212110021 - 2²⁷ = 11220077892293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11220212109977 and 11220212110004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220212110321) 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 7 ways as a sum of consecutive naturals, for example, 298724821 + ... + 298762378.

It is an arithmetic number, because the mean of its divisors is an integer number (1425006972000).

Almost surely, 2^{11220212110021} is an apocalyptic number.

It is an amenable number.

11220212110021 is a deficient number, since it is larger than the sum of its proper divisors (179843665979).

11220212110021 is an equidigital number, since it uses as much as digits as its factorization.

11220212110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597487499.

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

Adding to 11220212110021 its reverse (12001121202211), we get a palindrome (23221333312232).

The spelling of 11220212110021 in words is "eleven trillion, two hundred twenty billion, two hundred twelve million, one hundred ten thousand, twenty-one".