101421433 has 4 divisors (see below), whose sum is σ = 101479248. Its totient is φ = 101363620.

The previous prime is 101421427. The next prime is 101421443. The reversal of 101421433 is 334124101.

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 101421433 - 2⁵ = 101421401 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 101421433.

It is not an unprimeable number, because it can be changed into a prime (101421443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26191 + ... + 29812.

It is an arithmetic number, because the mean of its divisors is an integer number (25369812).

Almost surely, 2^101421433 is an apocalyptic number.

It is an amenable number.

101421433 is a deficient number, since it is larger than the sum of its proper divisors (57815).

101421433 is an equidigital number, since it uses as much as digits as its factorization.

101421433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57814.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 101421433 is about 10070.8208702171. The cubic root of 101421433 is about 466.3477805020.

Adding to 101421433 its reverse (334124101), we get a palindrome (435545534).

The spelling of 101421433 in words is "one hundred one million, four hundred twenty-one thousand, four hundred thirty-three".