101004044400421 has 4 divisors (see below), whose sum is σ = 101009821689792. Its totient is φ = 100998267111052.

The previous prime is 101004044400409. The next prime is 101004044400433. The reversal of 101004044400421 is 124004440400101.

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 an interprime number because it is at equal distance from previous prime (101004044400409) and next prime (101004044400433).

It is a cyclic number.

It is not a de Polignac number, because 101004044400421 - 2³⁵ = 100969684662053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101004041400421) 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, 2888618461 + ... + 2888653426.

It is an arithmetic number, because the mean of its divisors is an integer number (25252455422448).

Almost surely, 2^{101004044400421} is an apocalyptic number.

It is an amenable number.

101004044400421 is a deficient number, since it is larger than the sum of its proper divisors (5777289371).

101004044400421 is an equidigital number, since it uses as much as digits as its factorization.

101004044400421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5777289370.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 101004044400421 its reverse (124004440400101), we get a palindrome (225008484800522).

The spelling of 101004044400421 in words is "one hundred one trillion, four billion, forty-four million, four hundred thousand, four hundred twenty-one".