2012313221101 has 2 divisors, whose sum is σ = 2012313221102. Its totient is φ = 2012313221100.

The previous prime is 2012313221077. The next prime is 2012313221119. The reversal of 2012313221101 is 1011223132102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2009309085001 + 3004136100 = 1417501^2 + 54810^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012313221101 - 2¹¹ = 2012313219053 is a prime.

It is a super-2 number, since 2×2012313221101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012313221161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006156610550 + 1006156610551.

It is an arithmetic number, because the mean of its divisors is an integer number (1006156610551).

Almost surely, 2^{2012313221101} is an apocalyptic number.

It is an amenable number.

2012313221101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012313221101 is an equidigital number, since it uses as much as digits as its factorization.

2012313221101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2012313221101 its reverse (1011223132102), we get a palindrome (3023536353203).

The spelling of 2012313221101 in words is "two trillion, twelve billion, three hundred thirteen million, two hundred twenty-one thousand, one hundred one".