100011200021111 has 4 divisors (see below), whose sum is σ = 100011417143352. Its totient is φ = 100010982898872.

The previous prime is 100011200021101. The next prime is 100011200021123. The reversal of 100011200021111 is 111120002110001.

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 100011200021111 - 2²⁶ = 100011132912247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100011200021092 and 100011200021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100011200021101) 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, 107868716 + ... + 108791921.

It is an arithmetic number, because the mean of its divisors is an integer number (25002854285838).

Almost surely, 2^{100011200021111} is an apocalyptic number.

100011200021111 is a deficient number, since it is larger than the sum of its proper divisors (217122241).

100011200021111 is an equidigital number, since it uses as much as digits as its factorization.

100011200021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217122240.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 100011200021111 its reverse (111120002110001), we get a palindrome (211131202131112).

The spelling of 100011200021111 in words is "one hundred trillion, eleven billion, two hundred million, twenty-one thousand, one hundred eleven".