211012127 has 2 divisors, whose sum is σ = 211012128. Its totient is φ = 211012126.

The previous prime is 211012103. The next prime is 211012183. The reversal of 211012127 is 721210112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211012127 - 2¹⁸ = 210749983 is a prime.

It is a super-2 number, since 2×211012127² = 89052235482128258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211012427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105506063 + 105506064.

It is an arithmetic number, because the mean of its divisors is an integer number (105506064).

Almost surely, 2^211012127 is an apocalyptic number.

211012127 is a deficient number, since it is larger than the sum of its proper divisors (1).

211012127 is an equidigital number, since it uses as much as digits as its factorization.

211012127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 211012127 is about 14526.2564688911. The cubic root of 211012127 is about 595.3455864945.

Adding to 211012127 its reverse (721210112), we get a palindrome (932222239).

The spelling of 211012127 in words is "two hundred eleven million, twelve thousand, one hundred twenty-seven".