100002021011111 has 4 divisors (see below), whose sum is σ = 105884492835312. Its totient is φ = 94119549186912.

The previous prime is 100002021011083. The next prime is 100002021011131. The reversal of 100002021011111 is 111110120200001.

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 100002021011111 - 2¹⁴ = 100002020994727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100002021011092 and 100002021011101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100002021011131) 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, 2941235912075 + ... + 2941235912108.

It is an arithmetic number, because the mean of its divisors is an integer number (26471123208828).

Almost surely, 2^{100002021011111} is an apocalyptic number.

100002021011111 is a deficient number, since it is larger than the sum of its proper divisors (5882471824201).

100002021011111 is an equidigital number, since it uses as much as digits as its factorization.

100002021011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882471824200.

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

Adding to 100002021011111 its reverse (111110120200001), we get a palindrome (211112141211112).

The spelling of 100002021011111 in words is "one hundred trillion, two billion, twenty-one million, eleven thousand, one hundred eleven".