101000121011 has 2 divisors, whose sum is σ = 101000121012. Its totient is φ = 101000121010.

The previous prime is 101000120993. The next prime is 101000121049. The reversal of 101000121011 is 110121000101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101000121011 - 2¹⁴ = 101000104627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101000121011.

It is not a weakly prime, because it can be changed into another prime (101000121611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500060505 + 50500060506.

It is an arithmetic number, because the mean of its divisors is an integer number (50500060506).

Almost surely, 2^101000121011 is an apocalyptic number.

101000121011 is a deficient number, since it is larger than the sum of its proper divisors (1).

101000121011 is an equidigital number, since it uses as much as digits as its factorization.

101000121011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 101000121011 its reverse (110121000101), we get a palindrome (211121121112).

The spelling of 101000121011 in words is "one hundred one billion, one hundred twenty-one thousand, eleven".