102020020200221 has 8 divisors (see below), whose sum is σ = 102194985203520. Its totient is φ = 101845156426272.

The previous prime is 102020020200167. The next prime is 102020020200251. The reversal of 102020020200221 is 122002020020201.

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 102020020200221 - 2⁶ = 102020020200157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102020020200196 and 102020020200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020020200251) 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, 23289851 + ... + 27321368.

It is an arithmetic number, because the mean of its divisors is an integer number (12774373150440).

Almost surely, 2^{102020020200221} is an apocalyptic number.

It is an amenable number.

102020020200221 is a deficient number, since it is larger than the sum of its proper divisors (174965003299).

102020020200221 is an equidigital number, since it uses as much as digits as its factorization.

102020020200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50614675.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 102020020200221 its reverse (122002020020201), we get a palindrome (224022040220422).

The spelling of 102020020200221 in words is "one hundred two trillion, twenty billion, twenty million, two hundred thousand, two hundred twenty-one".