100211220201221 has 8 divisors (see below), whose sum is σ = 103846345430784. Its totient is φ = 96601251548160.

The previous prime is 100211220201161. The next prime is 100211220201233. The reversal of 100211220201221 is 122102022112001.

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 100211220201221 - 2²⁶ = 100211153092357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100211220201221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100211220206221) 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, 6289136015 + ... + 6289151948.

It is an arithmetic number, because the mean of its divisors is an integer number (12980793178848).

Almost surely, 2^{100211220201221} is an apocalyptic number.

It is an amenable number.

100211220201221 is a deficient number, since it is larger than the sum of its proper divisors (3635125229563).

100211220201221 is a wasteful number, since it uses less digits than its factorization.

100211220201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12578288251.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100211220201221 its reverse (122102022112001), we get a palindrome (222313242313222).

The spelling of 100211220201221 in words is "one hundred trillion, two hundred eleven billion, two hundred twenty million, two hundred one thousand, two hundred twenty-one".