100021102200221 has 4 divisors (see below), whose sum is σ = 100087827420000. Its totient is φ = 99954376980444.

The previous prime is 100021102200193. The next prime is 100021102200233. The reversal of 100021102200221 is 122002201120001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100021102200221 - 2³⁰ = 100020028458397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100021102200196 and 100021102200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021102200821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33362607641 + ... + 33362610638.

It is an arithmetic number, because the mean of its divisors is an integer number (25021956855000).

Almost surely, 2^{100021102200221} is an apocalyptic number.

It is an amenable number.

100021102200221 is a deficient number, since it is larger than the sum of its proper divisors (66725219779).

100021102200221 is an equidigital number, since it uses as much as digits as its factorization.

100021102200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66725219778.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100021102200221 its reverse (122002201120001), we get a palindrome (222023303320222).

The spelling of 100021102200221 in words is "one hundred trillion, twenty-one billion, one hundred two million, two hundred thousand, two hundred twenty-one".