2111211407 has 2 divisors, whose sum is σ = 2111211408. Its totient is φ = 2111211406.

The previous prime is 2111211313. The next prime is 2111211409. The reversal of 2111211407 is 7041121112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2111211407 - 2¹⁰ = 2111210383 is a prime.

Together with 2111211409, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111211409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055605703 + 1055605704.

It is an arithmetic number, because the mean of its divisors is an integer number (1055605704).

Almost surely, 2^2111211407 is an apocalyptic number.

2111211407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111211407 is an equidigital number, since it uses as much as digits as its factorization.

2111211407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 2111211407 is about 45947.9205949518. The cubic root of 2111211407 is about 1282.8540253061.

Adding to 2111211407 its reverse (7041121112), we get a palindrome (9152332519).

The spelling of 2111211407 in words is "two billion, one hundred eleven million, two hundred eleven thousand, four hundred seven".