100122102011111 has 4 divisors (see below), whose sum is σ = 100122280486800. Its totient is φ = 100121923535424.

The previous prime is 100122102011083. The next prime is 100122102011189. The reversal of 100122102011111 is 111110201221001.

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 100122102011111 - 2¹⁰ = 100122102010087 is a prime.

It is a super-2 number, since 2×100122102011111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122102013111) 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, 88393706 + ... + 89519223.

It is an arithmetic number, because the mean of its divisors is an integer number (25030570121700).

Almost surely, 2^{100122102011111} is an apocalyptic number.

100122102011111 is a deficient number, since it is larger than the sum of its proper divisors (178475689).

100122102011111 is an equidigital number, since it uses as much as digits as its factorization.

100122102011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178475688.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 100122102011111 its reverse (111110201221001), we get a palindrome (211232303232112).

The spelling of 100122102011111 in words is "one hundred trillion, one hundred twenty-two billion, one hundred two million, eleven thousand, one hundred eleven".