100222021212201 has 64 divisors (see below), whose sum is σ = 173902125196800. Its totient is φ = 55848695961600.

The previous prime is 100222021212199. The next prime is 100222021212217. The reversal of 100222021212201 is 102212120222001.

It is a happy number.

100222021212201 is a `hidden beast` number, since 10 + 0 + 2 + 220 + 21 + 212 + 201 = 666.

It is not a de Polignac number, because 100222021212201 - 2¹ = 100222021212199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100222021212251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15091761 + ... + 20693121.

It is an arithmetic number, because the mean of its divisors is an integer number (2717220706200).

Almost surely, 2^{100222021212201} is an apocalyptic number.

It is an amenable number.

100222021212201 is a deficient number, since it is larger than the sum of its proper divisors (73680103984599).

100222021212201 is a wasteful number, since it uses less digits than its factorization.

100222021212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5603727 (or 5603721 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 100222021212201 its reverse (102212120222001), we get a palindrome (202434141434202).

The spelling of 100222021212201 in words is "one hundred trillion, two hundred twenty-two billion, twenty-one million, two hundred twelve thousand, two hundred one".