20122210101011 has 4 divisors (see below), whose sum is σ = 20122220791800. Its totient is φ = 20122199410224.

The previous prime is 20122210101001. The next prime is 20122210101031. The reversal of 20122210101011 is 11010101222102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20122210101011 - 2¹⁸ = 20122209838867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122210101001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1687901 + ... + 6564558.

It is an arithmetic number, because the mean of its divisors is an integer number (5030555197950).

Almost surely, 2^{20122210101011} is an apocalyptic number.

20122210101011 is a deficient number, since it is larger than the sum of its proper divisors (10690789).

20122210101011 is an equidigital number, since it uses as much as digits as its factorization.

20122210101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10690788.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20122210101011 its reverse (11010101222102), we get a palindrome (31132311323113).

The spelling of 20122210101011 in words is "twenty trillion, one hundred twenty-two billion, two hundred ten million, one hundred one thousand, eleven".