100121212201122 has 40 divisors (see below), whose sum is σ = 256395061935936. Its totient is φ = 28606060628568.

The previous prime is 100121212201117. The next prime is 100121212201141. The reversal of 100121212201122 is 221102212121001.

100121212201122 is a `hidden beast` number, since 10 + 0 + 121 + 212 + 201 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 100121212201095 and 100121212201104.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44145154158 + ... + 44145156425.

Almost surely, 2^{100121212201122} is an apocalyptic number.

100121212201122 is an abundant number, since it is smaller than the sum of its proper divisors (156273849734814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100121212201122 is an equidigital number, since it uses as much as digits as its factorization.

100121212201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88290310604 (or 88290310595 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 100121212201122 its reverse (221102212121001), we get a palindrome (321223424322123).

The spelling of 100121212201122 in words is "one hundred trillion, one hundred twenty-one billion, two hundred twelve million, two hundred one thousand, one hundred twenty-two".