11200121012011 has 2 divisors, whose sum is σ = 11200121012012. Its totient is φ = 11200121012010.

The previous prime is 11200121011969. The next prime is 11200121012021. The reversal of 11200121012011 is 11021012100211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11200121012011 - 2²⁹ = 11199584141099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11200121011982 and 11200121012000.

It is not a weakly prime, because it can be changed into another prime (11200121012021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600060506005 + 5600060506006.

It is an arithmetic number, because the mean of its divisors is an integer number (5600060506006).

Almost surely, 2^{11200121012011} is an apocalyptic number.

11200121012011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11200121012011 is an equidigital number, since it uses as much as digits as its factorization.

11200121012011 is an evil number, because the sum of its binary digits is even.

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

Adding to 11200121012011 its reverse (11021012100211), we get a palindrome (22221133112222).

The spelling of 11200121012011 in words is "eleven trillion, two hundred billion, one hundred twenty-one million, twelve thousand, eleven".