100111122120122 has 8 divisors (see below), whose sum is σ = 150200835270516. Its totient is φ = 50044177029952.

The previous prime is 100111122120103. The next prime is 100111122120131. The reversal of 100111122120122 is 221021221111001.

It can be written as a sum of positive squares in 2 ways, for example, as 93450908334001 + 6660213786121 = 9667001^2 + 2580739^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 100111122120122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5692004063 + ... + 5692021650.

Almost surely, 2^{100111122120122} is an apocalyptic number.

100111122120122 is a deficient number, since it is larger than the sum of its proper divisors (50089713150394).

100111122120122 is a wasteful number, since it uses less digits than its factorization.

100111122120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11384030112.

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

Adding to 100111122120122 its reverse (221021221111001), we get a palindrome (321132343231123).

The spelling of 100111122120122 in words is "one hundred trillion, one hundred eleven billion, one hundred twenty-two million, one hundred twenty thousand, one hundred twenty-two".