20012202221011 has 64 divisors (see below), whose sum is σ = 27103175285760. Its totient is φ = 14269533143040.

The previous prime is 20012202220981. The next prime is 20012202221021. The reversal of 20012202221011 is 11012220221002.

It is a happy number.

It is not a de Polignac number, because 20012202221011 - 2¹⁵ = 20012202188243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20012202221021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93533691 + ... + 93747403.

It is an arithmetic number, because the mean of its divisors is an integer number (423487113840).

Almost surely, 2^{20012202221011} is an apocalyptic number.

20012202221011 is a deficient number, since it is larger than the sum of its proper divisors (7090973064749).

20012202221011 is a wasteful number, since it uses less digits than its factorization.

20012202221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214556.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20012202221011 its reverse (11012220221002), we get a palindrome (31024422442013).

Subtracting from 20012202221011 its reverse (11012220221002), we obtain a square (8999982000009 = 2999997²).

The spelling of 20012202221011 in words is "twenty trillion, twelve billion, two hundred two million, two hundred twenty-one thousand, eleven".