211121022107 has 2 divisors, whose sum is σ = 211121022108. Its totient is φ = 211121022106.

The previous prime is 211121022071. The next prime is 211121022109. The reversal of 211121022107 is 701220121112.

It is a happy number.

211121022107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (211121022071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211121022107 - 2¹² = 211121018011 is a prime.

It is a super-3 number, since 3×211121022107³ (a number of 35 digits) contains 333 as substring.

Together with 211121022109, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (211121022109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560511053 + 105560511054.

It is an arithmetic number, because the mean of its divisors is an integer number (105560511054).

Almost surely, 2^211121022107 is an apocalyptic number.

211121022107 is a deficient number, since it is larger than the sum of its proper divisors (1).

211121022107 is an equidigital number, since it uses as much as digits as its factorization.

211121022107 is an odious number, because the sum of its binary digits is odd.

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

Adding to 211121022107 its reverse (701220121112), we get a palindrome (912341143219).

The spelling of 211121022107 in words is "two hundred eleven billion, one hundred twenty-one million, twenty-two thousand, one hundred seven".