2113020331211 has 2 divisors, whose sum is σ = 2113020331212. Its totient is φ = 2113020331210.

The previous prime is 2113020331207. The next prime is 2113020331249. The reversal of 2113020331211 is 1121330203112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2113020331211 - 2² = 2113020331207 is a prime.

It is a super-2 number, since 2×2113020331211² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2113020334211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056510165605 + 1056510165606.

It is an arithmetic number, because the mean of its divisors is an integer number (1056510165606).

Almost surely, 2^{2113020331211} is an apocalyptic number.

2113020331211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113020331211 is an equidigital number, since it uses as much as digits as its factorization.

2113020331211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2113020331211 its reverse (1121330203112), we get a palindrome (3234350534323).

The spelling of 2113020331211 in words is "two trillion, one hundred thirteen billion, twenty million, three hundred thirty-one thousand, two hundred eleven".