100221200002111 has 4 divisors (see below), whose sum is σ = 100222072918632. Its totient is φ = 100220327085592.

The previous prime is 100221200002087. The next prime is 100221200002117. The reversal of 100221200002111 is 111200002122001.

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

It is a cyclic number.

It is not a de Polignac number, because 100221200002111 - 2¹¹ = 100221200000063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100221200002091 and 100221200002100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221200002117) 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, 436286020 + ... + 436515673.

It is an arithmetic number, because the mean of its divisors is an integer number (25055518229658).

Almost surely, 2^{100221200002111} is an apocalyptic number.

100221200002111 is a deficient number, since it is larger than the sum of its proper divisors (872916521).

100221200002111 is an equidigital number, since it uses as much as digits as its factorization.

100221200002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872916520.

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

Adding to 100221200002111 its reverse (111200002122001), we get a palindrome (211421202124112).

The spelling of 100221200002111 in words is "one hundred trillion, two hundred twenty-one billion, two hundred million, two thousand, one hundred eleven".