101000000121011 has 2 divisors, whose sum is σ = 101000000121012. Its totient is φ = 101000000121010.

The previous prime is 101000000120983. The next prime is 101000000121043. The reversal of 101000000121011 is 110121000000101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101000000121011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101000000121011.

It is not a weakly prime, because it can be changed into another prime (101000000121611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500000060505 + 50500000060506.

It is an arithmetic number, because the mean of its divisors is an integer number (50500000060506).

Almost surely, 2^{101000000121011} is an apocalyptic number.

101000000121011 is a deficient number, since it is larger than the sum of its proper divisors (1).

101000000121011 is an equidigital number, since it uses as much as digits as its factorization.

101000000121011 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 101000000121011 its reverse (110121000000101), we get a palindrome (211121000121112).

The spelling of 101000000121011 in words is "one hundred one trillion, one hundred twenty-one thousand, eleven".