20223021011011 has 24 divisors (see below), whose sum is σ = 25043439409440. Its totient is φ = 15989884724736.

The previous prime is 20223021010993. The next prime is 20223021011071. The reversal of 20223021011011 is 11011012032202.

It is not a de Polignac number, because 20223021011011 - 2⁵ = 20223021010979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20223021011071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3978840 + ... + 7501813.

It is an arithmetic number, because the mean of its divisors is an integer number (1043476642060).

Almost surely, 2^{20223021011011} is an apocalyptic number.

20223021011011 is a deficient number, since it is larger than the sum of its proper divisors (4820418398429).

20223021011011 is a wasteful number, since it uses less digits than its factorization.

20223021011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11482175 (or 11482162 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20223021011011 its reverse (11011012032202), we get a palindrome (31234033043213).

The spelling of 20223021011011 in words is "twenty trillion, two hundred twenty-three billion, twenty-one million, eleven thousand, eleven".