122021200211 has 4 divisors (see below), whose sum is σ = 122025613032. Its totient is φ = 122016787392.

The previous prime is 122021200193. The next prime is 122021200247. The reversal of 122021200211 is 112002120221.

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

It is a cyclic number.

It is not a de Polignac number, because 122021200211 - 2¹⁴ = 122021183827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122021200291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2164670 + ... + 2220323.

It is an arithmetic number, because the mean of its divisors is an integer number (30506403258).

Almost surely, 2^122021200211 is an apocalyptic number.

122021200211 is a deficient number, since it is larger than the sum of its proper divisors (4412821).

122021200211 is an equidigital number, since it uses as much as digits as its factorization.

122021200211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4412820.

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

Adding to 122021200211 its reverse (112002120221), we get a palindrome (234023320432).

The spelling of 122021200211 in words is "one hundred twenty-two billion, twenty-one million, two hundred thousand, two hundred eleven".