2011221210353 has 2 divisors, whose sum is σ = 2011221210354. Its totient is φ = 2011221210352.

The previous prime is 2011221210337. The next prime is 2011221210463. The reversal of 2011221210353 is 3530121221102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1052169217009 + 959051993344 = 1025753^2 + 979312^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011221210353 - 2⁴ = 2011221210337 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011221210653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005610605176 + 1005610605177.

It is an arithmetic number, because the mean of its divisors is an integer number (1005610605177).

Almost surely, 2^{2011221210353} is an apocalyptic number.

It is an amenable number.

2011221210353 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011221210353 is an equidigital number, since it uses as much as digits as its factorization.

2011221210353 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 23.

Adding to 2011221210353 its reverse (3530121221102), we get a palindrome (5541342431455).

The spelling of 2011221210353 in words is "two trillion, eleven billion, two hundred twenty-one million, two hundred ten thousand, three hundred fifty-three".