102104411404421 has 4 divisors (see below), whose sum is σ = 102305009462700. Its totient is φ = 101903813346144.

The previous prime is 102104411404409. The next prime is 102104411404469. The reversal of 102104411404421 is 124404114401201.

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 88679625324196 + 13424786080225 = 9416986^2 + 3663985^2 .

It is a cyclic number.

It is not a de Polignac number, because 102104411404421 - 2²⁶ = 102104344295557 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 (102104411400421) 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, 100299028376 + ... + 100299029393.

It is an arithmetic number, because the mean of its divisors is an integer number (25576252365675).

Almost surely, 2^{102104411404421} is an apocalyptic number.

It is an amenable number.

102104411404421 is a deficient number, since it is larger than the sum of its proper divisors (200598058279).

102104411404421 is an equidigital number, since it uses as much as digits as its factorization.

102104411404421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200598058278.

The product of its (nonzero) digits is 4096, while the sum is 29.

Adding to 102104411404421 its reverse (124404114401201), we get a palindrome (226508525805622).

The spelling of 102104411404421 in words is "one hundred two trillion, one hundred four billion, four hundred eleven million, four hundred four thousand, four hundred twenty-one".