1121212010011 has 2 divisors, whose sum is σ = 1121212010012. Its totient is φ = 1121212010010.

The previous prime is 1121212009979. The next prime is 1121212010027. The reversal of 1121212010011 is 1100102121211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121212010011 - 2⁵ = 1121212009979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121212009973 and 1121212010000.

It is not a weakly prime, because it can be changed into another prime (1121212010041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560606005005 + 560606005006.

It is an arithmetic number, because the mean of its divisors is an integer number (560606005006).

Almost surely, 2^{1121212010011} is an apocalyptic number.

1121212010011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121212010011 is an equidigital number, since it uses as much as digits as its factorization.

1121212010011 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 1121212010011 its reverse (1100102121211), we get a palindrome (2221314131222).

The spelling of 1121212010011 in words is "one trillion, one hundred twenty-one billion, two hundred twelve million, ten thousand, eleven".