2011321223131 has 8 divisors (see below), whose sum is σ = 2206291087728. Its totient is φ = 1818371772000.

The previous prime is 2011321223059. The next prime is 2011321223287. The reversal of 2011321223131 is 1313221231102.

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 2011321223131 - 2¹¹ = 2011321221083 is a prime.

It is a super-2 number, since 2×2011321223131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011321223531) 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, 505101280 + ... + 505105261.

It is an arithmetic number, because the mean of its divisors is an integer number (275786385966).

Almost surely, 2^{2011321223131} is an apocalyptic number.

2011321223131 is a deficient number, since it is larger than the sum of its proper divisors (194969864597).

2011321223131 is a wasteful number, since it uses less digits than its factorization.

2011321223131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010206733.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2011321223131 its reverse (1313221231102), we get a palindrome (3324542454233).

The spelling of 2011321223131 in words is "two trillion, eleven billion, three hundred twenty-one million, two hundred twenty-three thousand, one hundred thirty-one".