102020020104421 has 8 divisors (see below), whose sum is σ = 102380855991200. Its totient is φ = 101659186620432.

The previous prime is 102020020104367. The next prime is 102020020104427. The reversal of 102020020104421 is 124401020020201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102020020104421 - 2¹¹ = 102020020102373 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 (102020020104427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165931030 + ... + 166544728.

It is an arithmetic number, because the mean of its divisors is an integer number (12797606998900).

Almost surely, 2^{102020020104421} is an apocalyptic number.

It is an amenable number.

102020020104421 is a deficient number, since it is larger than the sum of its proper divisors (360835886779).

102020020104421 is an equidigital number, since it uses as much as digits as its factorization.

102020020104421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201395.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 102020020104421 its reverse (124401020020201), we get a palindrome (226421040124622).

The spelling of 102020020104421 in words is "one hundred two trillion, twenty billion, twenty million, one hundred four thousand, four hundred twenty-one".