100021201122 has 128 divisors (see below), whose sum is σ = 223878256128. Its totient is φ = 29652480000.

The previous prime is 100021201051. The next prime is 100021201123. The reversal of 100021201122 is 221102120001.

It is a junction number, because it is equal to n+sod(n) for n = 100021201098 and 100021201107.

It is not an unprimeable number, because it can be changed into a prime (100021201123) 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 63 ways as a sum of consecutive naturals, for example, 20199747 + ... + 20204697.

It is an arithmetic number, because the mean of its divisors is an integer number (1749048876).

Almost surely, 2^100021201122 is an apocalyptic number.

100021201122 is an abundant number, since it is smaller than the sum of its proper divisors (123857055006).

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

100021201122 is a wasteful number, since it uses less digits than its factorization.

100021201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5164.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100021201122 its reverse (221102120001), we get a palindrome (321123321123).

The spelling of 100021201122 in words is "one hundred billion, twenty-one million, two hundred one thousand, one hundred twenty-two".