20100210100127 has 2 divisors, whose sum is σ = 20100210100128. Its totient is φ = 20100210100126.

The previous prime is 20100210100121. The next prime is 20100210100129. The reversal of 20100210100127 is 72100101200102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20100210100127 - 2⁴² = 15702163589023 is a prime.

It is a super-2 number, since 2×20100210100127² (a number of 27 digits) contains 22 as substring.

Together with 20100210100129, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20100210100121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050105050063 + 10050105050064.

It is an arithmetic number, because the mean of its divisors is an integer number (10050105050064).

Almost surely, 2^{20100210100127} is an apocalyptic number.

20100210100127 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100210100127 is an equidigital number, since it uses as much as digits as its factorization.

20100210100127 is an evil number, because the sum of its binary digits is even.

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

Adding to 20100210100127 its reverse (72100101200102), we get a palindrome (92200311300229).

The spelling of 20100210100127 in words is "twenty trillion, one hundred billion, two hundred ten million, one hundred thousand, one hundred twenty-seven".