1121020000011 has 6 divisors (see below), whose sum is σ = 1619251111140. Its totient is φ = 747346666668.

The previous prime is 1121019999971. The next prime is 1121020000013. The reversal of 1121020000011 is 1100000201211.

It is a happy number.

It is not a de Polignac number, because 1121020000011 - 2⁶ = 1121019999947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 124557777779 = 1121020000011 / (1 + 1 + 2 + 1 + 0 + 2 + 0 + 0 + 0 + 0 + 0 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 1121019999948 and 1121020000002.

It is not an unprimeable number, because it can be changed into a prime (1121020000013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62278888881 + ... + 62278888898.

It is an arithmetic number, because the mean of its divisors is an integer number (269875185190).

Almost surely, 2^{1121020000011} is an apocalyptic number.

1121020000011 is a deficient number, since it is larger than the sum of its proper divisors (498231111129).

1121020000011 is a wasteful number, since it uses less digits than its factorization.

1121020000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124557777785 (or 124557777782 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1121020000011 its reverse (1100000201211), we get a palindrome (2221020201222).

The spelling of 1121020000011 in words is "one trillion, one hundred twenty-one billion, twenty million, eleven", and thus it is an aban number.