11010210000121 has 4 divisors (see below), whose sum is σ = 11019439012212. Its totient is φ = 11000980988032.

The previous prime is 11010210000061. The next prime is 11010210000137. The reversal of 11010210000121 is 12100001201011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8865274006521 + 2144935993600 = 2977461^2 + 1464560^2 .

It is a cyclic number.

It is not a de Polignac number, because 11010210000121 - 2⁹ = 11010209999609 is a prime.

It is a super-4 number, since 4×11010210000121⁴ (a number of 53 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11010210000098 and 11010210000107.

It is not an unprimeable number, because it can be changed into a prime (11010210070121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4614504256 + ... + 4614506641.

It is an arithmetic number, because the mean of its divisors is an integer number (2754859753053).

Almost surely, 2^{11010210000121} is an apocalyptic number.

It is an amenable number.

11010210000121 is a deficient number, since it is larger than the sum of its proper divisors (9229012091).

11010210000121 is an equidigital number, since it uses as much as digits as its factorization.

11010210000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9229012090.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11010210000121 its reverse (12100001201011), we get a palindrome (23110211201132).

The spelling of 11010210000121 in words is "eleven trillion, ten billion, two hundred ten million, one hundred twenty-one", and thus it is an aban number.