2120020220011 has 2 divisors, whose sum is σ = 2120020220012. Its totient is φ = 2120020220010.

The previous prime is 2120020219991. The next prime is 2120020220027. The reversal of 2120020220011 is 1100220200212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2120020220011 - 2²⁵ = 2119986665579 is a prime.

It is a super-3 number, since 3×2120020220011³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2120020219973 and 2120020220000.

It is not a weakly prime, because it can be changed into another prime (2120020220111) 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 as a sum of consecutive naturals, namely, 1060010110005 + 1060010110006.

It is an arithmetic number, because the mean of its divisors is an integer number (1060010110006).

Almost surely, 2^{2120020220011} is an apocalyptic number.

2120020220011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120020220011 is an equidigital number, since it uses as much as digits as its factorization.

2120020220011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2120020220011 its reverse (1100220200212), we get a palindrome (3220240420223).

The spelling of 2120020220011 in words is "two trillion, one hundred twenty billion, twenty million, two hundred twenty thousand, eleven".