20122201211 has 16 divisors (see below), whose sum is σ = 23491353600. Its totient is φ = 16879531680.

The previous prime is 20122201171. The next prime is 20122201247. The reversal of 20122201211 is 11210222102.

It is a cyclic number.

It is not a de Polignac number, because 20122201211 - 2²⁶ = 20055092347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122201511) 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 15 ways as a sum of consecutive naturals, for example, 33431 + ... + 203376.

It is an arithmetic number, because the mean of its divisors is an integer number (1468209600).

Almost surely, 2^20122201211 is an apocalyptic number.

20122201211 is a deficient number, since it is larger than the sum of its proper divisors (3369152389).

20122201211 is a wasteful number, since it uses less digits than its factorization.

20122201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237074.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20122201211 its reverse (11210222102), we get a palindrome (31332423313).

The spelling of 20122201211 in words is "twenty billion, one hundred twenty-two million, two hundred one thousand, two hundred eleven".