211212032107 has 2 divisors, whose sum is σ = 211212032108. Its totient is φ = 211212032106.

The previous prime is 211212032071. The next prime is 211212032123. The reversal of 211212032107 is 701230212112.

Together with previous prime (211212032071) 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 a de Polignac number, because none of the positive numbers 2^k-211212032107 is a prime.

It is a super-2 number, since 2×211212032107² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211212032407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105606016053 + 105606016054.

It is an arithmetic number, because the mean of its divisors is an integer number (105606016054).

Almost surely, 2^211212032107 is an apocalyptic number.

211212032107 is a deficient number, since it is larger than the sum of its proper divisors (1).

211212032107 is an equidigital number, since it uses as much as digits as its factorization.

211212032107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 211212032107 its reverse (701230212112), we get a palindrome (912442244219).

The spelling of 211212032107 in words is "two hundred eleven billion, two hundred twelve million, thirty-two thousand, one hundred seven".