101000121210203 has 2 divisors, whose sum is σ = 101000121210204. Its totient is φ = 101000121210202.

The previous prime is 101000121210187. The next prime is 101000121210227. The reversal of 101000121210203 is 302012121000101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101000121210203 - 2⁴ = 101000121210187 is a prime.

It is a super-2 number, since 2×101000121210203² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101000121210503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500060605101 + 50500060605102.

It is an arithmetic number, because the mean of its divisors is an integer number (50500060605102).

Almost surely, 2^{101000121210203} is an apocalyptic number.

101000121210203 is a deficient number, since it is larger than the sum of its proper divisors (1).

101000121210203 is an equidigital number, since it uses as much as digits as its factorization.

101000121210203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 101000121210203 its reverse (302012121000101), we get a palindrome (403012242210304).

The spelling of 101000121210203 in words is "one hundred one trillion, one hundred twenty-one million, two hundred ten thousand, two hundred three".