11220210100221 has 8 divisors (see below), whose sum is σ = 15325165015104. Its totient is φ = 7297697626080.

The previous prime is 11220210100201. The next prime is 11220210100241. The reversal of 11220210100221 is 12200101202211.

It is an interprime number because it is at equal distance from previous prime (11220210100201) and next prime (11220210100241).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11220210100221 - 2¹⁴ = 11220210083837 is a prime.

It is a super-2 number, since 2×11220210100221² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11220210100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220210100201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45610610041 + ... + 45610610286.

It is an arithmetic number, because the mean of its divisors is an integer number (1915645626888).

Almost surely, 2^{11220210100221} is an apocalyptic number.

It is an amenable number.

11220210100221 is a deficient number, since it is larger than the sum of its proper divisors (4104954914883).

11220210100221 is an equidigital number, since it uses as much as digits as its factorization.

11220210100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91221220371.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11220210100221 its reverse (12200101202211), we get a palindrome (23420311302432).

The spelling of 11220210100221 in words is "eleven trillion, two hundred twenty billion, two hundred ten million, one hundred thousand, two hundred twenty-one".