100010021201021 has 8 divisors (see below), whose sum is σ = 102682659710400. Its totient is φ = 97348495534560.

The previous prime is 100010021200997. The next prime is 100010021201023. The reversal of 100010021201021 is 120102120010001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100010021201021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100010021200993 and 100010021201011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100010021201023) 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, 2778192491 + ... + 2778228488.

It is an arithmetic number, because the mean of its divisors is an integer number (12835332463800).

Almost surely, 2^{100010021201021} is an apocalyptic number.

It is an amenable number.

100010021201021 is a deficient number, since it is larger than the sum of its proper divisors (2672638509379).

100010021201021 is an equidigital number, since it uses as much as digits as its factorization.

100010021201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5556421459.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100010021201021 its reverse (120102120010001), we get a palindrome (220112141211022).

The spelling of 100010021201021 in words is "one hundred trillion, ten billion, twenty-one million, two hundred one thousand, twenty-one".