100121202221122 has 8 divisors (see below), whose sum is σ = 153674403409296. Its totient is φ = 48896401084692.

The previous prime is 100121202221099. The next prime is 100121202221129. The reversal of 100121202221122 is 221122202121001.

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 100121202221122.

It is not an unprimeable number, because it can be changed into a prime (100121202221129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582100012828 + ... + 582100012999.

It is an arithmetic number, because the mean of its divisors is an integer number (19209300426162).

Almost surely, 2^{100121202221122} is an apocalyptic number.

100121202221122 is a deficient number, since it is larger than the sum of its proper divisors (53553201188174).

100121202221122 is a wasteful number, since it uses less digits than its factorization.

100121202221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164200025872.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 100121202221122 its reverse (221122202121001), we get a palindrome (321243404342123).

The spelling of 100121202221122 in words is "one hundred trillion, one hundred twenty-one billion, two hundred two million, two hundred twenty-one thousand, one hundred twenty-two".