2111212120207 has 2 divisors, whose sum is σ = 2111212120208. Its totient is φ = 2111212120206.

The previous prime is 2111212120141. The next prime is 2111212120243. The reversal of 2111212120207 is 7020212121112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2111212120207 - 2⁷ = 2111212120079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111212120247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055606060103 + 1055606060104.

It is an arithmetic number, because the mean of its divisors is an integer number (1055606060104).

Almost surely, 2^{2111212120207} is an apocalyptic number.

2111212120207 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111212120207 is an equidigital number, since it uses as much as digits as its factorization.

2111212120207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 2111212120207 its reverse (7020212121112), we get a palindrome (9131424241319).

The spelling of 2111212120207 in words is "two trillion, one hundred eleven billion, two hundred twelve million, one hundred twenty thousand, two hundred seven".