100122201211021 has 16 divisors (see below), whose sum is σ = 111303442863360. Its totient is φ = 89288064349120.

The previous prime is 100122201210979. The next prime is 100122201211033. The reversal of 100122201211021 is 120112102221001.

It is a cyclic number.

It is not a de Polignac number, because 100122201211021 - 2³⁹ = 99572445397133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100122201210986 and 100122201211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122201211051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10657141 + ... + 17714938.

It is an arithmetic number, because the mean of its divisors is an integer number (6956465178960).

Almost surely, 2^{100122201211021} is an apocalyptic number.

100122201211021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100122201211021 is a deficient number, since it is larger than the sum of its proper divisors (11181241652339).

100122201211021 is a wasteful number, since it uses less digits than its factorization.

100122201211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28378196.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100122201211021 its reverse (120112102221001), we get a palindrome (220234303432022).

The spelling of 100122201211021 in words is "one hundred trillion, one hundred twenty-two billion, two hundred one million, two hundred eleven thousand, twenty-one".