100121002043 has 2 divisors, whose sum is σ = 100121002044. Its totient is φ = 100121002042.

The previous prime is 100121002001. The next prime is 100121002049. The reversal of 100121002043 is 340200121001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100121002043 - 2¹² = 100120997947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (100121002049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060501021 + 50060501022.

It is an arithmetic number, because the mean of its divisors is an integer number (50060501022).

Almost surely, 2^100121002043 is an apocalyptic number.

100121002043 is a deficient number, since it is larger than the sum of its proper divisors (1).

100121002043 is an equidigital number, since it uses as much as digits as its factorization.

100121002043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 100121002043 its reverse (340200121001), we get a palindrome (440321123044).

The spelling of 100121002043 in words is "one hundred billion, one hundred twenty-one million, two thousand, forty-three".