210222120011 has 4 divisors (see below), whose sum is σ = 210227760912. Its totient is φ = 210216479112.

The previous prime is 210222120001. The next prime is 210222120019. The reversal of 210222120011 is 110021222012.

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 210222120011 - 2¹⁴ = 210222103627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210222120019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2764175 + ... + 2839208.

It is an arithmetic number, because the mean of its divisors is an integer number (52556940228).

Almost surely, 2^210222120011 is an apocalyptic number.

210222120011 is a deficient number, since it is larger than the sum of its proper divisors (5640901).

210222120011 is an equidigital number, since it uses as much as digits as its factorization.

210222120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5640900.

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

Adding to 210222120011 its reverse (110021222012), we get a palindrome (320243342023).

The spelling of 210222120011 in words is "two hundred ten billion, two hundred twenty-two million, one hundred twenty thousand, eleven".