100001022122122 has 48 divisors (see below), whose sum is σ = 175273864970400. Its totient is φ = 42636278124000.

The previous prime is 100001022122063. The next prime is 100001022122123. The reversal of 100001022122122 is 221221220100001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100001022122096 and 100001022122105.

It is not an unprimeable number, because it can be changed into a prime (100001022122123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107202972 + ... + 108131767.

It is an arithmetic number, because the mean of its divisors is an integer number (3651538853550).

Almost surely, 2^{100001022122122} is an apocalyptic number.

100001022122122 is a deficient number, since it is larger than the sum of its proper divisors (75272842848278).

100001022122122 is a wasteful number, since it uses less digits than its factorization.

100001022122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215334883 (or 215334872 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100001022122122 its reverse (221221220100001), we get a palindrome (321222242222123).

It can be divided in two parts, 1000010 and 22122122, that added together give a palindrome (23122132).

The spelling of 100001022122122 in words is "one hundred trillion, one billion, twenty-two million, one hundred twenty-two thousand, one hundred twenty-two".