11010002812121 has 2 divisors, whose sum is σ = 11010002812122. Its totient is φ = 11010002812120.

The previous prime is 11010002812117. The next prime is 11010002812139. The reversal of 11010002812121 is 12121820001011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8205583682521 + 2804419129600 = 2864539^2 + 1674640^2 .

It is a cyclic number.

It is not a de Polignac number, because 11010002812121 - 2² = 11010002812117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11010002812093 and 11010002812102.

It is not a weakly prime, because it can be changed into another prime (11010002862121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505001406060 + 5505001406061.

It is an arithmetic number, because the mean of its divisors is an integer number (5505001406061).

Almost surely, 2^{11010002812121} is an apocalyptic number.

It is an amenable number.

11010002812121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11010002812121 is an equidigital number, since it uses as much as digits as its factorization.

11010002812121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 11010002812121 its reverse (12121820001011), we get a palindrome (23131822813132).

The spelling of 11010002812121 in words is "eleven trillion, ten billion, two million, eight hundred twelve thousand, one hundred twenty-one".