1131020002011 has 8 divisors (see below), whose sum is σ = 1510084007440. Its totient is φ = 752984665632.

The previous prime is 1131020001977. The next prime is 1131020002027. The reversal of 1131020002011 is 1102000201311.

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

It is not a de Polignac number, because 1131020002011 - 2⁹ = 1131020001499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131020004011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257164696 + ... + 257169093.

It is an arithmetic number, because the mean of its divisors is an integer number (188760500930).

Almost surely, 2^{1131020002011} is an apocalyptic number.

1131020002011 is a deficient number, since it is larger than the sum of its proper divisors (379064005429).

1131020002011 is an equidigital number, since it uses as much as digits as its factorization.

1131020002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514334525.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1131020002011 its reverse (1102000201311), we get a palindrome (2233020203322).

The spelling of 1131020002011 in words is "one trillion, one hundred thirty-one billion, twenty million, two thousand, eleven".