1101023211133 has 4 divisors (see below), whose sum is σ = 1101598760988. Its totient is φ = 1100447661280.

The previous prime is 1101023211109. The next prime is 1101023211137. The reversal of 1101023211133 is 3311123201011.

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 663073089849 + 437950121284 = 814293^2 + 661778^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101023211133 - 2²¹ = 1101021113981 is a prime.

It is a super-2 number, since 2×1101023211133² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1101023211133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101023211137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287772058 + ... + 287775883.

It is an arithmetic number, because the mean of its divisors is an integer number (275399690247).

Almost surely, 2^{1101023211133} is an apocalyptic number.

It is an amenable number.

1101023211133 is a deficient number, since it is larger than the sum of its proper divisors (575549855).

1101023211133 is an equidigital number, since it uses as much as digits as its factorization.

1101023211133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575549854.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1101023211133 its reverse (3311123201011), we get a palindrome (4412146412144).

The spelling of 1101023211133 in words is "one trillion, one hundred one billion, twenty-three million, two hundred eleven thousand, one hundred thirty-three".