100101001200221 has 16 divisors (see below), whose sum is σ = 115471798114176. Its totient is φ = 84997888374336.

The previous prime is 100101001200197. The next prime is 100101001200223. The reversal of 100101001200221 is 122002100101001.

It is not a de Polignac number, because 100101001200221 - 2¹⁰ = 100101001199197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100101001200223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60357935 + ... + 61994211.

It is an arithmetic number, because the mean of its divisors is an integer number (7216987382136).

Almost surely, 2^{100101001200221} is an apocalyptic number.

It is an amenable number.

100101001200221 is a deficient number, since it is larger than the sum of its proper divisors (15370796913955).

100101001200221 is a wasteful number, since it uses less digits than its factorization.

100101001200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718068.

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

Adding to 100101001200221 its reverse (122002100101001), we get a palindrome (222103101301222).

The spelling of 100101001200221 in words is "one hundred trillion, one hundred one billion, one million, two hundred thousand, two hundred twenty-one".