100100210201221 has 8 divisors (see below), whose sum is σ = 108054199918080. Its totient is φ = 92446371039792.

The previous prime is 100100210201197. The next prime is 100100210201261. The reversal of 100100210201221 is 122102012001001.

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 100100210201221 - 2¹³ = 100100210193029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100100210201261) 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, 75037638165 + ... + 75037639498.

It is an arithmetic number, because the mean of its divisors is an integer number (13506774989760).

Almost surely, 2^{100100210201221} is an apocalyptic number.

It is an amenable number.

100100210201221 is a deficient number, since it is larger than the sum of its proper divisors (7953989716859).

100100210201221 is a wasteful number, since it uses less digits than its factorization.

100100210201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150075277715.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100100210201221 its reverse (122102012001001), we get a palindrome (222202222202222).

The spelling of 100100210201221 in words is "one hundred trillion, one hundred billion, two hundred ten million, two hundred one thousand, two hundred twenty-one".