100121220102102 has 16 divisors (see below), whose sum is σ = 200246238126000. Its totient is φ = 33373107047072.

The previous prime is 100121220102067. The next prime is 100121220102107. The reversal of 100121220102102 is 201201022121001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121220102107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157903977 + ... + 158536772.

It is an arithmetic number, because the mean of its divisors is an integer number (12515389882875).

Almost surely, 2^{100121220102102} is an apocalyptic number.

100121220102102 is an abundant number, since it is smaller than the sum of its proper divisors (100125018023898).

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

100121220102102 is a wasteful number, since it uses less digits than its factorization.

100121220102102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316493487.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100121220102102 its reverse (201201022121001), we get a palindrome (301322242223103).

The spelling of 100121220102102 in words is "one hundred trillion, one hundred twenty-one billion, two hundred twenty million, one hundred two thousand, one hundred two".