101004411421 has 4 divisors (see below), whose sum is σ = 101179462972. Its totient is φ = 100829359872.

The previous prime is 101004411323. The next prime is 101004411433. The reversal of 101004411421 is 124114400101.

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 68021856100 + 32982555321 = 260810^2 + 181611^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101004411421 is a prime.

It is a super-2 number, since 2×101004411421² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101004411461) 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, 87524910 + ... + 87526063.

It is an arithmetic number, because the mean of its divisors is an integer number (25294865743).

Almost surely, 2^101004411421 is an apocalyptic number.

It is an amenable number.

101004411421 is a deficient number, since it is larger than the sum of its proper divisors (175051551).

101004411421 is an equidigital number, since it uses as much as digits as its factorization.

101004411421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175051550.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 101004411421 its reverse (124114400101), we get a palindrome (225118811522).

The spelling of 101004411421 in words is "one hundred one billion, four million, four hundred eleven thousand, four hundred twenty-one".