10121002121011 has 2 divisors, whose sum is σ = 10121002121012. Its totient is φ = 10121002121010.

The previous prime is 10121002121003. The next prime is 10121002121039. The reversal of 10121002121011 is 11012120012101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10121002121011 - 2³ = 10121002121003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10121002120982 and 10121002121000.

It is not a weakly prime, because it can be changed into another prime (10121002121051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060501060505 + 5060501060506.

It is an arithmetic number, because the mean of its divisors is an integer number (5060501060506).

Almost surely, 2^{10121002121011} is an apocalyptic number.

10121002121011 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121002121011 is an equidigital number, since it uses as much as digits as its factorization.

10121002121011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10121002121011 its reverse (11012120012101), we get a palindrome (21133122133112).

The spelling of 10121002121011 in words is "ten trillion, one hundred twenty-one billion, two million, one hundred twenty-one thousand, eleven".