2011012100213 has 2 divisors, whose sum is σ = 2011012100214. Its totient is φ = 2011012100212.

The previous prime is 2011012100203. The next prime is 2011012100281. The reversal of 2011012100213 is 3120012101102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1067351398129 + 943660702084 = 1033127^2 + 971422^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011012100213 - 2⁴ = 2011012100197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011012100203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005506050106 + 1005506050107.

It is an arithmetic number, because the mean of its divisors is an integer number (1005506050107).

Almost surely, 2^{2011012100213} is an apocalyptic number.

It is an amenable number.

2011012100213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011012100213 is an equidigital number, since it uses as much as digits as its factorization.

2011012100213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 2011012100213 its reverse (3120012101102), we get a palindrome (5131024201315).

The spelling of 2011012100213 in words is "two trillion, eleven billion, twelve million, one hundred thousand, two hundred thirteen".