100000121121011 has 2 divisors, whose sum is σ = 100000121121012. Its totient is φ = 100000121121010.

The previous prime is 100000121120957. The next prime is 100000121121073. The reversal of 100000121121011 is 110121121000001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100000121121011 - 2²⁶ = 100000054012147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100000121120983 and 100000121121001.

It is not a weakly prime, because it can be changed into another prime (100000121121091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000060560505 + 50000060560506.

It is an arithmetic number, because the mean of its divisors is an integer number (50000060560506).

Almost surely, 2^{100000121121011} is an apocalyptic number.

100000121121011 is a deficient number, since it is larger than the sum of its proper divisors (1).

100000121121011 is an equidigital number, since it uses as much as digits as its factorization.

100000121121011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 100000121121011 its reverse (110121121000001), we get a palindrome (210121242121012).

The spelling of 100000121121011 in words is "one hundred trillion, one hundred twenty-one million, one hundred twenty-one thousand, eleven".