2211020120213 has 2 divisors, whose sum is σ = 2211020120214. Its totient is φ = 2211020120212.

The previous prime is 2211020120191. The next prime is 2211020120233. The reversal of 2211020120213 is 3120210201122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2141826396004 + 69193724209 = 1463498^2 + 263047^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2211020120213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2211020120191 and 2211020120200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211020120233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105510060106 + 1105510060107.

It is an arithmetic number, because the mean of its divisors is an integer number (1105510060107).

Almost surely, 2^{2211020120213} is an apocalyptic number.

It is an amenable number.

2211020120213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211020120213 is an equidigital number, since it uses as much as digits as its factorization.

2211020120213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2211020120213 its reverse (3120210201122), we get a palindrome (5331230321335).

The spelling of 2211020120213 in words is "two trillion, two hundred eleven billion, twenty million, one hundred twenty thousand, two hundred thirteen".