100200220020121 has 8 divisors (see below), whose sum is σ = 107911165630464. Its totient is φ = 92489736749520.

The previous prime is 100200220020113. The next prime is 100200220020137. The reversal of 100200220020121 is 121020022002001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100200220020121 - 2³ = 100200220020113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100200220020151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115134745 + ... + 116001766.

It is an arithmetic number, because the mean of its divisors is an integer number (13488895703808).

Almost surely, 2^{100200220020121} is an apocalyptic number.

It is an amenable number.

100200220020121 is a deficient number, since it is larger than the sum of its proper divisors (7710945610343).

100200220020121 is a wasteful number, since it uses less digits than its factorization.

100200220020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231169871.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100200220020121 its reverse (121020022002001), we get a palindrome (221220242022122).

The spelling of 100200220020121 in words is "one hundred trillion, two hundred billion, two hundred twenty million, twenty thousand, one hundred twenty-one".