11050221451 has 8 divisors (see below), whose sum is σ = 11625015600. Its totient is φ = 10488344160.

The previous prime is 11050221443. The next prime is 11050221461. The reversal of 11050221451 is 15412205011.

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

It is not a de Polignac number, because 11050221451 - 2³ = 11050221443 is a prime.

It is a super-2 number, since 2×11050221451² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11050221461) 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, 3227460 + ... + 3230881.

It is an arithmetic number, because the mean of its divisors is an integer number (1453126950).

Almost surely, 2^11050221451 is an apocalyptic number.

11050221451 is a deficient number, since it is larger than the sum of its proper divisors (574794149).

11050221451 is an equidigital number, since it uses as much as digits as its factorization.

11050221451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6458429.

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 11050221451 its reverse (15412205011), we get a palindrome (26462426462).

The spelling of 11050221451 in words is "eleven billion, fifty million, two hundred twenty-one thousand, four hundred fifty-one".