101550133 has 4 divisors (see below), whose sum is σ = 103911808. Its totient is φ = 99188460.

The previous prime is 101550109. The next prime is 101550143. The reversal of 101550133 is 331055101.

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 101550133 - 2⁹ = 101549621 is a prime.

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 101550133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101550143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1180773 + ... + 1180858.

It is an arithmetic number, because the mean of its divisors is an integer number (25977952).

Almost surely, 2^101550133 is an apocalyptic number.

It is an amenable number.

101550133 is a deficient number, since it is larger than the sum of its proper divisors (2361675).

101550133 is an equidigital number, since it uses as much as digits as its factorization.

101550133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361674.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 101550133 is about 10077.2085916686. The cubic root of 101550133 is about 466.5449564117.

It can be divided in two parts, 1015501 and 33, that multiplied together give a palindrome (33511533).

The spelling of 101550133 in words is "one hundred one million, five hundred fifty thousand, one hundred thirty-three".