100200011220021 has 32 divisors (see below), whose sum is σ = 134377158090240. Its totient is φ = 66412548707904.

The previous prime is 100200011220013. The next prime is 100200011220031. The reversal of 100200011220021 is 120022110002001.

It is not a de Polignac number, because 100200011220021 - 2³ = 100200011220013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100200011219979 and 100200011220006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100200011220031) 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 31 ways as a sum of consecutive naturals, for example, 4429893250 + ... + 4429915868.

It is an arithmetic number, because the mean of its divisors is an integer number (4199286190320).

Almost surely, 2^{100200011220021} is an apocalyptic number.

It is an amenable number.

100200011220021 is a deficient number, since it is larger than the sum of its proper divisors (34177146870219).

100200011220021 is a wasteful number, since it uses less digits than its factorization.

100200011220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34545.

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

Adding to 100200011220021 its reverse (120022110002001), we get a palindrome (220222121222022).

The spelling of 100200011220021 in words is "one hundred trillion, two hundred billion, eleven million, two hundred twenty thousand, twenty-one".