100121202212122 has 32 divisors (see below), whose sum is σ = 195712033289472. Its totient is φ = 37278482529024.

The previous prime is 100121202212093. The next prime is 100121202212131. The reversal of 100121202212122 is 221212202121001.

It is a self number, because there is not a number n which added to its sum of digits gives 100121202212122.

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 15 ways as a sum of consecutive naturals, for example, 16179893838 + ... + 16179900025.

It is an arithmetic number, because the mean of its divisors is an integer number (6116001040296).

Almost surely, 2^{100121202212122} is an apocalyptic number.

100121202212122 is a deficient number, since it is larger than the sum of its proper divisors (95590831077350).

100121202212122 is a wasteful number, since it uses less digits than its factorization.

100121202212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32359793902.

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

Adding to 100121202212122 its reverse (221212202121001), we get a palindrome (321333404333123).

The spelling of 100121202212122 in words is "one hundred trillion, one hundred twenty-one billion, two hundred two million, two hundred twelve thousand, one hundred twenty-two".