1011322131011 has 4 divisors (see below), whose sum is σ = 1011327969624. Its totient is φ = 1011316292400.

The previous prime is 1011322130993. The next prime is 1011322131037. The reversal of 1011322131011 is 1101312231101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1011322131011 - 2¹⁸ = 1011321868867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011322031011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2651285 + ... + 3008646.

It is an arithmetic number, because the mean of its divisors is an integer number (252831992406).

Almost surely, 2^{1011322131011} is an apocalyptic number.

1011322131011 is a deficient number, since it is larger than the sum of its proper divisors (5838613).

1011322131011 is an equidigital number, since it uses as much as digits as its factorization.

1011322131011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5838612.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1011322131011 its reverse (1101312231101), we get a palindrome (2112634362112).

The spelling of 1011322131011 in words is "one trillion, eleven billion, three hundred twenty-two million, one hundred thirty-one thousand, eleven".