201012021127 has 2 divisors, whose sum is σ = 201012021128. Its totient is φ = 201012021126.

The previous prime is 201012021109. The next prime is 201012021187. The reversal of 201012021127 is 721120210102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201012021127 - 2²³ = 201003632519 is a prime.

It is a super-2 number, since 2×201012021127² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201012021187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100506010563 + 100506010564.

It is an arithmetic number, because the mean of its divisors is an integer number (100506010564).

Almost surely, 2^201012021127 is an apocalyptic number.

201012021127 is a deficient number, since it is larger than the sum of its proper divisors (1).

201012021127 is an equidigital number, since it uses as much as digits as its factorization.

201012021127 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 19.

Adding to 201012021127 its reverse (721120210102), we get a palindrome (922132231229).

The spelling of 201012021127 in words is "two hundred one billion, twelve million, twenty-one thousand, one hundred twenty-seven".