2222121020011 has 16 divisors (see below), whose sum is σ = 2302011439200. Its totient is φ = 2142450309888.

The previous prime is 2222121019999. The next prime is 2222121020017. The reversal of 2222121020011 is 1100201212222.

It is a happy number.

2222121020011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222121020011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2222121020017) 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, 68278935 + ... + 68311471.

It is an arithmetic number, because the mean of its divisors is an integer number (143875714950).

Almost surely, 2^{2222121020011} is an apocalyptic number.

2222121020011 is a deficient number, since it is larger than the sum of its proper divisors (79890419189).

2222121020011 is a wasteful number, since it uses less digits than its factorization.

2222121020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35838.

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

Adding to 2222121020011 its reverse (1100201212222), we get a palindrome (3322322232233).

The spelling of 2222121020011 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-one million, twenty thousand, eleven".