220021021331113 has 2 divisors, whose sum is σ = 220021021331114. Its totient is φ = 220021021331112.

The previous prime is 220021021331101. The next prime is 220021021331123. The reversal of 220021021331113 is 311133120120022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194956209379584 + 25064811951529 = 13962672^2 + 5006477^2 .

It is a cyclic number.

It is not a de Polignac number, because 220021021331113 - 2⁵ = 220021021331081 is a prime.

It is not a weakly prime, because it can be changed into another prime (220021021331123) 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, 110010510665556 + 110010510665557.

It is an arithmetic number, because the mean of its divisors is an integer number (110010510665557).

Almost surely, 2^{220021021331113} is an apocalyptic number.

It is an amenable number.

220021021331113 is a deficient number, since it is larger than the sum of its proper divisors (1).

220021021331113 is an equidigital number, since it uses as much as digits as its factorization.

220021021331113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 220021021331113 its reverse (311133120120022), we get a palindrome (531154141451135).

The spelling of 220021021331113 in words is "two hundred twenty trillion, twenty-one billion, twenty-one million, three hundred thirty-one thousand, one hundred thirteen".