20122221000211 has 16 divisors (see below), whose sum is σ = 23155096550400. Its totient is φ = 17293962564000.

The previous prime is 20122221000209. The next prime is 20122221000251. The reversal of 20122221000211 is 11200012222102.

It is a happy number.

It is not a de Polignac number, because 20122221000211 - 2¹ = 20122221000209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122221000251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100399440 + ... + 100599661.

It is an arithmetic number, because the mean of its divisors is an integer number (1447193534400).

Almost surely, 2^{20122221000211} is an apocalyptic number.

20122221000211 is a deficient number, since it is larger than the sum of its proper divisors (3032875550189).

20122221000211 is a wasteful number, since it uses less digits than its factorization.

20122221000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200999610.

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

Adding to 20122221000211 its reverse (11200012222102), we get a palindrome (31322233222313).

The spelling of 20122221000211 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred eleven", and thus it is an aban number.