2102012220127 has 2 divisors, whose sum is σ = 2102012220128. Its totient is φ = 2102012220126.

The previous prime is 2102012220073. The next prime is 2102012220151. The reversal of 2102012220127 is 7210222102012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2102012220127 - 2¹¹ = 2102012218079 is a prime.

It is a super-2 number, since 2×2102012220127² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2102012220098 and 2102012220107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102012220197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051006110063 + 1051006110064.

It is an arithmetic number, because the mean of its divisors is an integer number (1051006110064).

Almost surely, 2^{2102012220127} is an apocalyptic number.

2102012220127 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102012220127 is an equidigital number, since it uses as much as digits as its factorization.

2102012220127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 2102012220127 its reverse (7210222102012), we get a palindrome (9312234322139).

The spelling of 2102012220127 in words is "two trillion, one hundred two billion, twelve million, two hundred twenty thousand, one hundred twenty-seven".