2111002021213 has 2 divisors, whose sum is σ = 2111002021214. Its totient is φ = 2111002021212.

The previous prime is 2111002021181. The next prime is 2111002021231. The reversal of 2111002021213 is 3121202001112.

Together with next prime (2111002021231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1994091367129 + 116910654084 = 1412123^2 + 341922^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111002021213 - 2⁵ = 2111002021181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111002021243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055501010606 + 1055501010607.

It is an arithmetic number, because the mean of its divisors is an integer number (1055501010607).

Almost surely, 2^{2111002021213} is an apocalyptic number.

It is an amenable number.

2111002021213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111002021213 is an equidigital number, since it uses as much as digits as its factorization.

2111002021213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2111002021213 its reverse (3121202001112), we get a palindrome (5232204022325).

The spelling of 2111002021213 in words is "two trillion, one hundred eleven billion, two million, twenty-one thousand, two hundred thirteen".