22120011111211 has 16 divisors (see below), whose sum is σ = 23856751850400. Its totient is φ = 20388309896448.

The previous prime is 22120011111197. The next prime is 22120011111277. The reversal of 22120011111211 is 11211111002122.

It is not a de Polignac number, because 22120011111211 - 2⁷ = 22120011111083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22120011118211) 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, 49798245 + ... + 50240473.

It is an arithmetic number, because the mean of its divisors is an integer number (1491046990650).

Almost surely, 2^{22120011111211} is an apocalyptic number.

22120011111211 is a deficient number, since it is larger than the sum of its proper divisors (1736740739189).

22120011111211 is a wasteful number, since it uses less digits than its factorization.

22120011111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447918.

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

Adding to 22120011111211 its reverse (11211111002122), we get a palindrome (33331122113333).

The spelling of 22120011111211 in words is "twenty-two trillion, one hundred twenty billion, eleven million, one hundred eleven thousand, two hundred eleven".