1121202020011 has 8 divisors (see below), whose sum is σ = 1125263702000. Its totient is φ = 1117144401120.

The previous prime is 1121202019991. The next prime is 1121202020023. The reversal of 1121202020011 is 1100202021211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121202020011 - 2¹⁹ = 1121201495723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121202019973 and 1121202020000.

It is not an unprimeable number, because it can be changed into a prime (1121202620011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462336 + ... + 1567213.

It is an arithmetic number, because the mean of its divisors is an integer number (140657962750).

Almost surely, 2^{1121202020011} is an apocalyptic number.

1121202020011 is a deficient number, since it is larger than the sum of its proper divisors (4061681989).

1121202020011 is a wasteful number, since it uses less digits than its factorization.

1121202020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031549.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1121202020011 its reverse (1100202021211), we get a palindrome (2221404041222).

The spelling of 1121202020011 in words is "one trillion, one hundred twenty-one billion, two hundred two million, twenty thousand, eleven".