211220020013053 has 2 divisors, whose sum is σ = 211220020013054. Its totient is φ = 211220020013052.

The previous prime is 211220020013021. The next prime is 211220020013087. The reversal of 211220020013053 is 350310020022112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211193033080324 + 26986932729 = 14532482^2 + 164277^2 .

It is a cyclic number.

It is not a de Polignac number, because 211220020013053 - 2⁵ = 211220020013021 is a prime.

It is a super-2 number, since 2×211220020013053² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211220020016053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105610010006526 + 105610010006527.

It is an arithmetic number, because the mean of its divisors is an integer number (105610010006527).

Almost surely, 2^{211220020013053} is an apocalyptic number.

It is an amenable number.

211220020013053 is a deficient number, since it is larger than the sum of its proper divisors (1).

211220020013053 is an equidigital number, since it uses as much as digits as its factorization.

211220020013053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 211220020013053 its reverse (350310020022112), we get a palindrome (561530040035165).

The spelling of 211220020013053 in words is "two hundred eleven trillion, two hundred twenty billion, twenty million, thirteen thousand, fifty-three".