100120000011111 has 12 divisors (see below), whose sum is σ = 144619347974088. Its totient is φ = 66745941975504.

The previous prime is 100120000011047. The next prime is 100120000011121. The reversal of 100120000011111 is 111110000021001.

It is not a de Polignac number, because 100120000011111 - 2⁶ = 100120000011047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

100120000011111 is a modest number, since divided by 11111 gives 10012 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 100120000011093 and 100120000011102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100120000011121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59515905 + ... + 61175018.

It is an arithmetic number, because the mean of its divisors is an integer number (12051612331174).

Almost surely, 2^{100120000011111} is an apocalyptic number.

100120000011111 is a deficient number, since it is larger than the sum of its proper divisors (44499347962977).

100120000011111 is a wasteful number, since it uses less digits than its factorization.

100120000011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120783102 (or 120783099 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 100120000011111 its reverse (111110000021001), we get a palindrome (211230000032112).

The spelling of 100120000011111 in words is "one hundred trillion, one hundred twenty billion, eleven thousand, one hundred eleven".