2011204237213 has 2 divisors, whose sum is σ = 2011204237214. Its totient is φ = 2011204237212.

The previous prime is 2011204237177. The next prime is 2011204237277. The reversal of 2011204237213 is 3127324021102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1771459845444 + 239744391769 = 1330962^2 + 489637^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011204237213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011204237283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005602118606 + 1005602118607.

It is an arithmetic number, because the mean of its divisors is an integer number (1005602118607).

Almost surely, 2^{2011204237213} is an apocalyptic number.

It is an amenable number.

2011204237213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011204237213 is an equidigital number, since it uses as much as digits as its factorization.

2011204237213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 2011204237213 its reverse (3127324021102), we get a palindrome (5138528258315).

The spelling of 2011204237213 in words is "two trillion, eleven billion, two hundred four million, two hundred thirty-seven thousand, two hundred thirteen".