100110001220111 has 16 divisors (see below), whose sum is σ = 106481574045504. Its totient is φ = 93792707218944.

The previous prime is 100110001220083. The next prime is 100110001220113. The reversal of 100110001220111 is 111022100011001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100110001220111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100110001220092 and 100110001220101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100110001220113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4994000 + ... + 15005333.

It is an arithmetic number, because the mean of its divisors is an integer number (6655098377844).

Almost surely, 2^{100110001220111} is an apocalyptic number.

100110001220111 is a deficient number, since it is larger than the sum of its proper divisors (6371572825393).

100110001220111 is a wasteful number, since it uses less digits than its factorization.

100110001220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20000690.

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

Adding to 100110001220111 its reverse (111022100011001), we get a palindrome (211132101231112).

The spelling of 100110001220111 in words is "one hundred trillion, one hundred ten billion, one million, two hundred twenty thousand, one hundred eleven".