100211941 has 2 divisors, whose sum is σ = 100211942. Its totient is φ = 100211940.

The previous prime is 100211939. The next prime is 100211971. The reversal of 100211941 is 149112001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81540900 + 18671041 = 9030^2 + 4321^2 .

It is a cyclic number.

It is not a de Polignac number, because 100211941 - 2¹ = 100211939 is a prime.

Together with 100211939, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100211921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50105970 + 50105971.

It is an arithmetic number, because the mean of its divisors is an integer number (50105971).

Almost surely, 2^100211941 is an apocalyptic number.

It is an amenable number.

100211941 is a deficient number, since it is larger than the sum of its proper divisors (1).

100211941 is an equidigital number, since it uses as much as digits as its factorization.

100211941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 100211941 is about 10010.5914410688. The cubic root of 100211941 is about 464.4865662984.

Adding to 100211941 its reverse (149112001), we get a palindrome (249323942).

The spelling of 100211941 in words is "one hundred million, two hundred eleven thousand, nine hundred forty-one".