20122011221003 has 4 divisors (see below), whose sum is σ = 20122091146080. Its totient is φ = 20121931295928.

The previous prime is 20122011220981. The next prime is 20122011221009. The reversal of 20122011221003 is 30012211022102.

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 20122011221003 - 2⁴² = 15723964709899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122011221009) 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, 39583700 + ... + 40088817.

It is an arithmetic number, because the mean of its divisors is an integer number (5030522786520).

Almost surely, 2^{20122011221003} is an apocalyptic number.

20122011221003 is a deficient number, since it is larger than the sum of its proper divisors (79925077).

20122011221003 is an equidigital number, since it uses as much as digits as its factorization.

20122011221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79925076.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20122011221003 its reverse (30012211022102), we get a palindrome (50134222243105).

The spelling of 20122011221003 in words is "twenty trillion, one hundred twenty-two billion, eleven million, two hundred twenty-one thousand, three".