1131123333101 has 8 divisors (see below), whose sum is σ = 1197871814520. Its totient is φ = 1064398386688.

The previous prime is 1131123333083. The next prime is 1131123333107. The reversal of 1131123333101 is 1013333211311.

It can be written as a sum of positive squares in 4 ways, for example, as 197430601 + 1130925902500 = 14051^2 + 1063450^2 .

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 1131123333101 - 2²⁶ = 1131056224237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131123333107) 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, 5784746 + ... + 5977083.

It is an arithmetic number, because the mean of its divisors is an integer number (149733976815).

Almost surely, 2^{1131123333101} is an apocalyptic number.

It is an amenable number.

1131123333101 is a deficient number, since it is larger than the sum of its proper divisors (66748481419).

1131123333101 is a wasteful number, since it uses less digits than its factorization.

1131123333101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11767503.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 1131123333101 its reverse (1013333211311), we get a palindrome (2144456544412).

The spelling of 1131123333101 in words is "one trillion, one hundred thirty-one billion, one hundred twenty-three million, three hundred thirty-three thousand, one hundred one".