100211200102021 has 4 divisors (see below), whose sum is σ = 100212516028332. Its totient is φ = 100209884175712.

The previous prime is 100211200101953. The next prime is 100211200102087. The reversal of 100211200102021 is 120201002112001.

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 14629477522500 + 85581722579521 = 3824850^2 + 9251039^2 .

It is a cyclic number.

It is not a de Polignac number, because 100211200102021 - 2⁷ = 100211200101893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100211200101992 and 100211200102010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100211200106021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657848920 + ... + 658001233.

It is an arithmetic number, because the mean of its divisors is an integer number (25053129007083).

Almost surely, 2^{100211200102021} is an apocalyptic number.

It is an amenable number.

100211200102021 is a deficient number, since it is larger than the sum of its proper divisors (1315926311).

100211200102021 is an equidigital number, since it uses as much as digits as its factorization.

100211200102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315926310.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100211200102021 its reverse (120201002112001), we get a palindrome (220412202214022).

The spelling of 100211200102021 in words is "one hundred trillion, two hundred eleven billion, two hundred million, one hundred two thousand, twenty-one".