100101211120221 has 8 divisors (see below), whose sum is σ = 133468391422560. Its totient is φ = 66734085782352.

The previous prime is 100101211120217. The next prime is 100101211120247. The reversal of 100101211120221 is 122021112101001.

It is a happy number.

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

It is not a de Polignac number, because 100101211120221 - 2² = 100101211120217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100101211120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100101211120201) 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, 9285235 + ... + 16923888.

It is an arithmetic number, because the mean of its divisors is an integer number (16683548927820).

Almost surely, 2^{100101211120221} is an apocalyptic number.

It is an amenable number.

100101211120221 is a deficient number, since it is larger than the sum of its proper divisors (33367180302339).

100101211120221 is a wasteful number, since it uses less digits than its factorization.

100101211120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27482235.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 100101211120221 its reverse (122021112101001), we get a palindrome (222122323221222).

The spelling of 100101211120221 in words is "one hundred trillion, one hundred one billion, two hundred eleven million, one hundred twenty thousand, two hundred twenty-one".