100210220000121 has 16 divisors (see below), whose sum is σ = 166583222857728. Its totient is φ = 52057257142800.

The previous prime is 100210220000117. The next prime is 100210220000411. The reversal of 100210220000121 is 121000022012001.

It is not a de Polignac number, because 100210220000121 - 2² = 100210220000117 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100210220000097 and 100210220000106.

It is not an unprimeable number, because it can be changed into a prime (100210220000521) 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, 216905237865 + ... + 216905238326.

It is an arithmetic number, because the mean of its divisors is an integer number (10411451428608).

Almost surely, 2^{100210220000121} is an apocalyptic number.

100210220000121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100210220000121 is a deficient number, since it is larger than the sum of its proper divisors (66373002857607).

100210220000121 is a wasteful number, since it uses less digits than its factorization.

100210220000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433810476212.

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

Adding to 100210220000121 its reverse (121000022012001), we get a palindrome (221210242012122).

The spelling of 100210220000121 in words is "one hundred trillion, two hundred ten billion, two hundred twenty million, one hundred twenty-one", and thus it is an aban number.