2122220012011 has 4 divisors (see below), whose sum is σ = 2315149104024. Its totient is φ = 1929290920000.

The previous prime is 2122220011991. The next prime is 2122220012041. The reversal of 2122220012011 is 1102100222212.

It is a happy number.

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 2122220012011 - 2¹⁹ = 2122219487723 is a prime.

It is a super-3 number, since 3×2122220012011³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122220012041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96464545990 + ... + 96464546011.

It is an arithmetic number, because the mean of its divisors is an integer number (578787276006).

Almost surely, 2^{2122220012011} is an apocalyptic number.

2122220012011 is a deficient number, since it is larger than the sum of its proper divisors (192929092013).

2122220012011 is a wasteful number, since it uses less digits than its factorization.

2122220012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192929092012.

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

Adding to 2122220012011 its reverse (1102100222212), we get a palindrome (3224320234223).

The spelling of 2122220012011 in words is "two trillion, one hundred twenty-two billion, two hundred twenty million, twelve thousand, eleven".