2122120011 has 16 divisors (see below), whose sum is σ = 3132793728. Its totient is φ = 1266936000.

The previous prime is 2122119913. The next prime is 2122120031. The reversal of 2122120011 is 1100212212.

It is not a de Polignac number, because 2122120011 - 2⁹ = 2122119499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122120031) 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, 477690 + ... + 482111.

It is an arithmetic number, because the mean of its divisors is an integer number (195799608).

Almost surely, 2^2122120011 is an apocalyptic number.

2122120011 is a deficient number, since it is larger than the sum of its proper divisors (1010673717).

2122120011 is a wasteful number, since it uses less digits than its factorization.

2122120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959882.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2122120011 is about 46066.4738285882. The cubic root of 2122120011 is about 1285.0597278278.

Adding to 2122120011 its reverse (1100212212), we get a palindrome (3222332223).

The spelling of 2122120011 in words is "two billion, one hundred twenty-two million, one hundred twenty thousand, eleven".