11331122231131 has 8 divisors (see below), whose sum is σ = 11507344662528. Its totient is φ = 11155361721000.

The previous prime is 11331122231123. The next prime is 11331122231137. The reversal of 11331122231131 is 13113222113311.

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 11331122231131 - 2³ = 11331122231123 is a prime.

It is a super-2 number, since 2×11331122231131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11331122231096 and 11331122231105.

It is not an unprimeable number, because it can be changed into a prime (11331122231137) 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, 115430875 + ... + 115528996.

It is an arithmetic number, because the mean of its divisors is an integer number (1438418082816).

Almost surely, 2^{11331122231131} is an apocalyptic number.

11331122231131 is a deficient number, since it is larger than the sum of its proper divisors (176222431397).

11331122231131 is an equidigital number, since it uses as much as digits as its factorization.

11331122231131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230960633.

The product of its digits is 648, while the sum is 25.

Adding to 11331122231131 its reverse (13113222113311), we get a palindrome (24444344344442).

The spelling of 11331122231131 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-two million, two hundred thirty-one thousand, one hundred thirty-one".