1101131001233 has 4 divisors (see below), whose sum is σ = 1101147792180. Its totient is φ = 1101114210288.

The previous prime is 1101131001149. The next prime is 1101131001277. The reversal of 1101131001233 is 3321001311011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 455634450049 + 645496551184 = 675007^2 + 803428^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101131001233 - 2¹² = 1101130997137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101131007233) 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, 8296718 + ... + 8428391.

It is an arithmetic number, because the mean of its divisors is an integer number (275286948045).

Almost surely, 2^{1101131001233} is an apocalyptic number.

It is an amenable number.

1101131001233 is a deficient number, since it is larger than the sum of its proper divisors (16790947).

1101131001233 is an equidigital number, since it uses as much as digits as its factorization.

1101131001233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16790946.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1101131001233 its reverse (3321001311011), we get a palindrome (4422132312244).

The spelling of 1101131001233 in words is "one trillion, one hundred one billion, one hundred thirty-one million, one thousand, two hundred thirty-three".