20122100201211 has 4 divisors (see below), whose sum is σ = 26829466934952. Its totient is φ = 13414733467472.

The previous prime is 20122100201179. The next prime is 20122100201243. The reversal of 20122100201211 is 11210200122102.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20122100201179) and next prime (20122100201243).

It is a cyclic number.

It is not a de Polignac number, because 20122100201211 - 2⁵ = 20122100201179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20122100201611) 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 3 ways as a sum of consecutive naturals, for example, 3353683366866 + ... + 3353683366871.

It is an arithmetic number, because the mean of its divisors is an integer number (6707366733738).

Almost surely, 2^{20122100201211} is an apocalyptic number.

20122100201211 is a deficient number, since it is larger than the sum of its proper divisors (6707366733741).

20122100201211 is an equidigital number, since it uses as much as digits as its factorization.

20122100201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6707366733740.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20122100201211 its reverse (11210200122102), we get a palindrome (31332300323313).

The spelling of 20122100201211 in words is "twenty trillion, one hundred twenty-two billion, one hundred million, two hundred one thousand, two hundred eleven".