1101132123231 has 8 divisors (see below), whose sum is σ = 1677915616384. Its totient is φ = 629218356120.

The previous prime is 1101132123227. The next prime is 1101132123283. The reversal of 1101132123231 is 1323212311011.

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

It is not a de Polignac number, because 1101132123231 - 2² = 1101132123227 is a prime.

It is a super-2 number, since 2×1101132123231² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 52434863011 = 1101132123231 / (1 + 1 + 0 + 1 + 1 + 3 + 2 + 1 + 2 + 3 + 2 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 1101132123198 and 1101132123207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101132123431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26217431485 + ... + 26217431526.

It is an arithmetic number, because the mean of its divisors is an integer number (209739452048).

Almost surely, 2^{1101132123231} is an apocalyptic number.

1101132123231 is a deficient number, since it is larger than the sum of its proper divisors (576783493153).

1101132123231 is an equidigital number, since it uses as much as digits as its factorization.

1101132123231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52434863021.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1101132123231 its reverse (1323212311011), we get a palindrome (2424344434242).

The spelling of 1101132123231 in words is "one trillion, one hundred one billion, one hundred thirty-two million, one hundred twenty-three thousand, two hundred thirty-one".