1121202011 has 2 divisors, whose sum is σ = 1121202012. Its totient is φ = 1121202010.

The previous prime is 1121202001. The next prime is 1121202073. The reversal of 1121202011 is 1102021211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121202011 - 2¹⁴ = 1121185627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121201983 and 1121202001.

It is not a weakly prime, because it can be changed into another prime (1121202001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560601005 + 560601006.

It is an arithmetic number, because the mean of its divisors is an integer number (560601006).

Almost surely, 2^1121202011 is an apocalyptic number.

1121202011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121202011 is an equidigital number, since it uses as much as digits as its factorization.

1121202011 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 11.

The square root of 1121202011 is about 33484.3547197792. The cubic root of 1121202011 is about 1038.8702015332.

Adding to 1121202011 its reverse (1102021211), we get a palindrome (2223223222).

The spelling of 1121202011 in words is "one billion, one hundred twenty-one million, two hundred two thousand, eleven".