100120210111121 has 16 divisors (see below), whose sum is σ = 105528896807040. Its totient is φ = 94799874787200.

The previous prime is 100120210111087. The next prime is 100120210111139. The reversal of 100120210111121 is 121111012021001.

It is not a de Polignac number, because 100120210111121 - 2³⁴ = 100103030241937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100120210111096 and 100120210111105.

It is not an unprimeable number, because it can be changed into a prime (100120210111171) 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, 7206146 + ... + 15879828.

It is an arithmetic number, because the mean of its divisors is an integer number (6595556050440).

Almost surely, 2^{100120210111121} is an apocalyptic number.

It is an amenable number.

100120210111121 is a deficient number, since it is larger than the sum of its proper divisors (5408686695919).

100120210111121 is a wasteful number, since it uses less digits than its factorization.

100120210111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8678776.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 100120210111121 its reverse (121111012021001), we get a palindrome (221231222132122).

The spelling of 100120210111121 in words is "one hundred trillion, one hundred twenty billion, two hundred ten million, one hundred eleven thousand, one hundred twenty-one".