100201220020021 has 8 divisors (see below), whose sum is σ = 103662213314400. Its totient is φ = 96740611979760.

The previous prime is 100201220020019. The next prime is 100201220020043. The reversal of 100201220020021 is 120020022102001.

It is a happy number.

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 100201220020021 - 2¹ = 100201220020019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100201220019983 and 100201220020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100201220020091) 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, 95784315 + ... + 96824776.

It is an arithmetic number, because the mean of its divisors is an integer number (12957776664300).

Almost surely, 2^{100201220020021} is an apocalyptic number.

It is an amenable number.

100201220020021 is a deficient number, since it is larger than the sum of its proper divisors (3460993294379).

100201220020021 is a wasteful number, since it uses less digits than its factorization.

100201220020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192627059.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100201220020021 its reverse (120020022102001), we get a palindrome (220221242122022).

The spelling of 100201220020021 in words is "one hundred trillion, two hundred one billion, two hundred twenty million, twenty thousand, twenty-one".