100122101111 has 4 divisors (see below), whose sum is σ = 105391685400. Its totient is φ = 94852516824.

The previous prime is 100122101041. The next prime is 100122101117. The reversal of 100122101111 is 111101221001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100122101111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100122101092 and 100122101101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122101117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2634792116 + ... + 2634792153.

It is an arithmetic number, because the mean of its divisors is an integer number (26347921350).

Almost surely, 2^100122101111 is an apocalyptic number.

100122101111 is a deficient number, since it is larger than the sum of its proper divisors (5269584289).

100122101111 is an equidigital number, since it uses as much as digits as its factorization.

100122101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5269584288.

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

Adding to 100122101111 its reverse (111101221001), we get a palindrome (211223322112).

The spelling of 100122101111 in words is "one hundred billion, one hundred twenty-two million, one hundred one thousand, one hundred eleven".