100202201021 has 8 divisors (see below), whose sum is σ = 107916128544. Its totient is φ = 92489140080.

The previous prime is 100202200997. The next prime is 100202201039. The reversal of 100202201021 is 120102202001.

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 100202201021 - 2¹⁴ = 100202184637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100202200993 and 100202201011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100202201041) 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, 34286 + ... + 448976.

It is an arithmetic number, because the mean of its divisors is an integer number (13489516068).

Almost surely, 2^100202201021 is an apocalyptic number.

It is an amenable number.

100202201021 is a deficient number, since it is larger than the sum of its proper divisors (7713927523).

100202201021 is a wasteful number, since it uses less digits than its factorization.

100202201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433291.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100202201021 its reverse (120102202001), we get a palindrome (220304403022).

The spelling of 100202201021 in words is "one hundred billion, two hundred two million, two hundred one thousand, twenty-one".