1101131231233 has 4 divisors (see below), whose sum is σ = 1201234070448. Its totient is φ = 1001028392020.

The previous prime is 1101131231227. The next prime is 1101131231261. The reversal of 1101131231233 is 3321321311011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1101131231233 - 2¹⁷ = 1101131100161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101131231203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50051419591 + ... + 50051419612.

It is an arithmetic number, because the mean of its divisors is an integer number (300308517612).

Almost surely, 2^{1101131231233} is an apocalyptic number.

It is an amenable number.

1101131231233 is a deficient number, since it is larger than the sum of its proper divisors (100102839215).

1101131231233 is a wasteful number, since it uses less digits than its factorization.

1101131231233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100102839214.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1101131231233 its reverse (3321321311011), we get a palindrome (4422452542244).

The spelling of 1101131231233 in words is "one trillion, one hundred one billion, one hundred thirty-one million, two hundred thirty-one thousand, two hundred thirty-three".