100211202122201 has 4 divisors (see below), whose sum is σ = 103666760816100. Its totient is φ = 96755643428304.

The previous prime is 100211202122167. The next prime is 100211202122203. The reversal of 100211202122201 is 102221202112001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63860492108176 + 36350710014025 = 7991276^2 + 6029155^2 .

It is a cyclic number.

It is not a de Polignac number, because 100211202122201 - 2²⁶ = 100211135013337 is a prime.

It is a super-2 number, since 2×100211202122201² (a number of 29 digits) contains 22 as substring.

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 100211202122201.

It is not an unprimeable number, because it can be changed into a prime (100211202122203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1727779346906 + ... + 1727779346963.

It is an arithmetic number, because the mean of its divisors is an integer number (25916690204025).

Almost surely, 2^{100211202122201} is an apocalyptic number.

It is an amenable number.

100211202122201 is a deficient number, since it is larger than the sum of its proper divisors (3455558693899).

100211202122201 is an equidigital number, since it uses as much as digits as its factorization.

100211202122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3455558693898.

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

Adding to 100211202122201 its reverse (102221202112001), we get a palindrome (202432404234202).

The spelling of 100211202122201 in words is "one hundred trillion, two hundred eleven billion, two hundred two million, one hundred twenty-two thousand, two hundred one".