1011132231123 has 8 divisors (see below), whose sum is σ = 1540772923648. Its totient is φ = 577789846344.

The previous prime is 1011132231121. The next prime is 1011132231127. The reversal of 1011132231123 is 3211322311101.

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

It is not a de Polignac number, because 1011132231123 - 2¹ = 1011132231121 is a prime.

It is a super-2 number, since 2×1011132231123² (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: 48149153863 = 1011132231123 / (1 + 0 + 1 + 1 + 1 + 3 + 2 + 2 + 3 + 1 + 1 + 2 + 3).

It is a self number, because there is not a number n which added to its sum of digits gives 1011132231123.

It is not an unprimeable number, because it can be changed into a prime (1011132231121) 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, 24074576911 + ... + 24074576952.

It is an arithmetic number, because the mean of its divisors is an integer number (192596615456).

Almost surely, 2^{1011132231123} is an apocalyptic number.

1011132231123 is a deficient number, since it is larger than the sum of its proper divisors (529640692525).

1011132231123 is an equidigital number, since it uses as much as digits as its factorization.

1011132231123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48149153873.

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

Adding to 1011132231123 its reverse (3211322311101), we get a palindrome (4222454542224).

The spelling of 1011132231123 in words is "one trillion, eleven billion, one hundred thirty-two million, two hundred thirty-one thousand, one hundred twenty-three".