100111110122211 has 4 divisors (see below), whose sum is σ = 133481480162952. Its totient is φ = 66740740081472.

The previous prime is 100111110122129. The next prime is 100111110122237. The reversal of 100111110122211 is 112221011111001.

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 100111110122211 - 2¹¹ = 100111110120163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100111110122311) 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, 16685185020366 + ... + 16685185020371.

It is an arithmetic number, because the mean of its divisors is an integer number (33370370040738).

Almost surely, 2^{100111110122211} is an apocalyptic number.

100111110122211 is a deficient number, since it is larger than the sum of its proper divisors (33370370040741).

100111110122211 is an equidigital number, since it uses as much as digits as its factorization.

100111110122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33370370040740.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 100111110122211 its reverse (112221011111001), we get a palindrome (212332121233212).

The spelling of 100111110122211 in words is "one hundred trillion, one hundred eleven billion, one hundred ten million, one hundred twenty-two thousand, two hundred eleven".