11221332020251 has 8 divisors (see below), whose sum is σ = 11224944954000. Its totient is φ = 11217719321760.

The previous prime is 11221332020243. The next prime is 11221332020257. The reversal of 11221332020251 is 15202023312211.

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 11221332020251 - 2³ = 11221332020243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11221332020257) 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, 176434765 + ... + 176498353.

It is an arithmetic number, because the mean of its divisors is an integer number (1403118119250).

Almost surely, 2^{11221332020251} is an apocalyptic number.

11221332020251 is a deficient number, since it is larger than the sum of its proper divisors (3612933749).

11221332020251 is an equidigital number, since it uses as much as digits as its factorization.

11221332020251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117629.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 11221332020251 its reverse (15202023312211), we get a palindrome (26423355332462).

The spelling of 11221332020251 in words is "eleven trillion, two hundred twenty-one billion, three hundred thirty-two million, twenty thousand, two hundred fifty-one".