100342103020221 has 16 divisors (see below), whose sum is σ = 134754797076480. Its totient is φ = 66412092243120.

The previous prime is 100342103020189. The next prime is 100342103020259. The reversal of 100342103020221 is 122020301243001.

It is not a de Polignac number, because 100342103020221 - 2⁵ = 100342103020189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100342103020261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17689006 + ... + 22662416.

It is an arithmetic number, because the mean of its divisors is an integer number (8422174817280).

Almost surely, 2^{100342103020221} is an apocalyptic number.

It is an amenable number.

100342103020221 is a deficient number, since it is larger than the sum of its proper divisors (34412694056259).

100342103020221 is a wasteful number, since it uses less digits than its factorization.

100342103020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021936.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 100342103020221 its reverse (122020301243001), we get a palindrome (222362404263222).

The spelling of 100342103020221 in words is "one hundred trillion, three hundred forty-two billion, one hundred three million, twenty thousand, two hundred twenty-one".