100212021127 has 2 divisors, whose sum is σ = 100212021128. Its totient is φ = 100212021126.

The previous prime is 100212021061. The next prime is 100212021137. The reversal of 100212021127 is 721120212001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100212021127 - 2¹¹ = 100212019079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100212021137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50106010563 + 50106010564.

It is an arithmetic number, because the mean of its divisors is an integer number (50106010564).

Almost surely, 2^100212021127 is an apocalyptic number.

100212021127 is a deficient number, since it is larger than the sum of its proper divisors (1).

100212021127 is an equidigital number, since it uses as much as digits as its factorization.

100212021127 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 100212021127 its reverse (721120212001), we get a palindrome (821332233128).

The spelling of 100212021127 in words is "one hundred billion, two hundred twelve million, twenty-one thousand, one hundred twenty-seven".