100122220112111 has 4 divisors (see below), whose sum is σ = 100886511868824. Its totient is φ = 99357928355400.

The previous prime is 100122220112081. The next prime is 100122220112153. The reversal of 100122220112111 is 111211022221001.

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-100122220112111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100122220112111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122220112611) 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, 382145878160 + ... + 382145878421.

It is an arithmetic number, because the mean of its divisors is an integer number (25221627967206).

Almost surely, 2^{100122220112111} is an apocalyptic number.

100122220112111 is a deficient number, since it is larger than the sum of its proper divisors (764291756713).

100122220112111 is an equidigital number, since it uses as much as digits as its factorization.

100122220112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764291756712.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 100122220112111 its reverse (111211022221001), we get a palindrome (211333242333112).

The spelling of 100122220112111 in words is "one hundred trillion, one hundred twenty-two billion, two hundred twenty million, one hundred twelve thousand, one hundred eleven".