101011213133 has 4 divisors (see below), whose sum is σ = 101905117788. Its totient is φ = 100117308480.

The previous prime is 101011213117. The next prime is 101011213151. The reversal of 101011213133 is 331312110101.

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 23892812329 + 77118400804 = 154573^2 + 277702^2 .

It is a cyclic number.

It is not a de Polignac number, because 101011213133 - 2⁴ = 101011213117 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 (101011215133) 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, 446952158 + ... + 446952383.

It is an arithmetic number, because the mean of its divisors is an integer number (25476279447).

Almost surely, 2^101011213133 is an apocalyptic number.

It is an amenable number.

101011213133 is a deficient number, since it is larger than the sum of its proper divisors (893904655).

101011213133 is an equidigital number, since it uses as much as digits as its factorization.

101011213133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893904654.

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

Adding to 101011213133 its reverse (331312110101), we get a palindrome (432323323234).

The spelling of 101011213133 in words is "one hundred one billion, eleven million, two hundred thirteen thousand, one hundred thirty-three".