211012210127 has 2 divisors, whose sum is σ = 211012210128. Its totient is φ = 211012210126.

The previous prime is 211012210093. The next prime is 211012210147. The reversal of 211012210127 is 721012210112.

It is a happy number.

It is an a-pointer prime, because the next prime (211012210147) can be obtained adding 211012210127 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211012210127 - 2¹⁶ = 211012144591 is a prime.

It is a super-2 number, since 2×211012210127² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211012210099 and 211012210108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211012210147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105506105063 + 105506105064.

It is an arithmetic number, because the mean of its divisors is an integer number (105506105064).

Almost surely, 2^211012210127 is an apocalyptic number.

211012210127 is a deficient number, since it is larger than the sum of its proper divisors (1).

211012210127 is an equidigital number, since it uses as much as digits as its factorization.

211012210127 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.

Adding to 211012210127 its reverse (721012210112), we get a palindrome (932024420239).

The spelling of 211012210127 in words is "two hundred eleven billion, twelve million, two hundred ten thousand, one hundred twenty-seven".