100112021011111 has 4 divisors (see below), whose sum is σ = 100112045495392. Its totient is φ = 100111996526832.

The previous prime is 100112021011103. The next prime is 100112021011133. The reversal of 100112021011111 is 111110120211001.

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 100112021011111 - 2³ = 100112021011103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100112021011091 and 100112021011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100112021011511) 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, 4459830 + ... + 14836243.

It is an arithmetic number, because the mean of its divisors is an integer number (25028011373848).

Almost surely, 2^{100112021011111} is an apocalyptic number.

100112021011111 is a deficient number, since it is larger than the sum of its proper divisors (24484281).

100112021011111 is an equidigital number, since it uses as much as digits as its factorization.

100112021011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24484280.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 100112021011111 its reverse (111110120211001), we get a palindrome (211222141222112).

The spelling of 100112021011111 in words is "one hundred trillion, one hundred twelve billion, twenty-one million, eleven thousand, one hundred eleven".