2220021310523 has 2 divisors, whose sum is σ = 2220021310524. Its totient is φ = 2220021310522.

The previous prime is 2220021310499. The next prime is 2220021310537. The reversal of 2220021310523 is 3250131200222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2220021310523 - 2¹² = 2220021306427 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220021310823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110010655261 + 1110010655262.

It is an arithmetic number, because the mean of its divisors is an integer number (1110010655262).

Almost surely, 2^{2220021310523} is an apocalyptic number.

2220021310523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220021310523 is an equidigital number, since it uses as much as digits as its factorization.

2220021310523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 2220021310523 its reverse (3250131200222), we get a palindrome (5470152510745).

The spelling of 2220021310523 in words is "two trillion, two hundred twenty billion, twenty-one million, three hundred ten thousand, five hundred twenty-three".