100121220110122 has 8 divisors (see below), whose sum is σ = 150766195263876. Its totient is φ = 49865821688832.

The previous prime is 100121220110101. The next prime is 100121220110137. The reversal of 100121220110122 is 221011022121001.

It can be written as a sum of positive squares in 2 ways, for example, as 88235005435801 + 11886214674321 = 9393349^2 + 3447639^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 100121220110096 and 100121220110105.

It is an unprimeable number.

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, 97394182473 + ... + 97394183500.

Almost surely, 2^{100121220110122} is an apocalyptic number.

100121220110122 is a deficient number, since it is larger than the sum of its proper divisors (50644975153754).

100121220110122 is a wasteful number, since it uses less digits than its factorization.

100121220110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194788366232.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100121220110122 its reverse (221011022121001), we get a palindrome (321132242231123).

The spelling of 100121220110122 in words is "one hundred trillion, one hundred twenty-one billion, two hundred twenty million, one hundred ten thousand, one hundred twenty-two".