11121021221003 has 4 divisors (see below), whose sum is σ = 11121067545120. Its totient is φ = 11120974896888.

The previous prime is 11121021220997. The next prime is 11121021221017. The reversal of 11121021221003 is 30012212012111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11121021221003 - 2⁴ = 11121021220987 is a prime.

It is a super-2 number, since 2×11121021221003² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121021221503) 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 3 ways as a sum of consecutive naturals, for example, 22800068 + ... + 23282721.

It is an arithmetic number, because the mean of its divisors is an integer number (2780266886280).

Almost surely, 2^{11121021221003} is an apocalyptic number.

11121021221003 is a deficient number, since it is larger than the sum of its proper divisors (46324117).

11121021221003 is an equidigital number, since it uses as much as digits as its factorization.

11121021221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46324116.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11121021221003 its reverse (30012212012111), we get a palindrome (41133233233114).

The spelling of 11121021221003 in words is "eleven trillion, one hundred twenty-one billion, twenty-one million, two hundred twenty-one thousand, three".