101420404403 has 4 divisors (see below), whose sum is σ = 101421940368. Its totient is φ = 101418868440.

The previous prime is 101420404391. The next prime is 101420404447. The reversal of 101420404403 is 304404024101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304404024101 = 59 ⋅5159390239.

It is a cyclic number.

It is not a de Polignac number, because 101420404403 - 2¹⁰ = 101420403379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101420404453) 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, 664268 + ... + 802553.

It is an arithmetic number, because the mean of its divisors is an integer number (25355485092).

Almost surely, 2^101420404403 is an apocalyptic number.

101420404403 is a deficient number, since it is larger than the sum of its proper divisors (1535965).

101420404403 is an equidigital number, since it uses as much as digits as its factorization.

101420404403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535964.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 101420404403 its reverse (304404024101), we get a palindrome (405824428504).

The spelling of 101420404403 in words is "one hundred one billion, four hundred twenty million, four hundred four thousand, four hundred three".