100121020147 has 2 divisors, whose sum is σ = 100121020148. Its totient is φ = 100121020146.

The previous prime is 100121020091. The next prime is 100121020157. The reversal of 100121020147 is 741020121001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100121020147 - 2³⁵ = 65761281779 is a prime.

It is not a weakly prime, because it can be changed into another prime (100121020157) 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, 50060510073 + 50060510074.

It is an arithmetic number, because the mean of its divisors is an integer number (50060510074).

Almost surely, 2^100121020147 is an apocalyptic number.

100121020147 is a deficient number, since it is larger than the sum of its proper divisors (1).

100121020147 is an equidigital number, since it uses as much as digits as its factorization.

100121020147 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 100121020147 its reverse (741020121001), we get a palindrome (841141141148).

The spelling of 100121020147 in words is "one hundred billion, one hundred twenty-one million, twenty thousand, one hundred forty-seven".