100122201221122 has 16 divisors (see below), whose sum is σ = 152694835690752. Its totient is φ = 49224455050320.

The previous prime is 100122201221041. The next prime is 100122201221123. The reversal of 100122201221122 is 221122102221001.

It is a self number, because there is not a number n which added to its sum of digits gives 100122201221122.

It is not an unprimeable number, because it can be changed into a prime (100122201221123) 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, 132720498 + ... + 133472749.

It is an arithmetic number, because the mean of its divisors is an integer number (9543427230672).

Almost surely, 2^{100122201221122} is an apocalyptic number.

100122201221122 is a deficient number, since it is larger than the sum of its proper divisors (52572634469630).

100122201221122 is a wasteful number, since it uses less digits than its factorization.

100122201221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266196393.

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

Adding to 100122201221122 its reverse (221122102221001), we get a palindrome (321244303442123).

The spelling of 100122201221122 in words is "one hundred trillion, one hundred twenty-two billion, two hundred one million, two hundred twenty-one thousand, one hundred twenty-two".